Remove references to WebRTC third party library usrsctp

https://bugs.webkit.org/show_bug.cgi?id=248336

Reviewed by Youenn Fablet and Carlos Garcia Campos.

The library was removed in 256830@main but there were still references
to it in LibWebRTC's CMakeLists.txt.

* Source/ThirdParty/libwebrtc/CMakeLists.txt: Remove references to
  usrsctp.
* Source/ThirdParty/libwebrtc/Source/DEPS: Remove references to usrsctp.

Canonical link: https://commits.webkit.org/257020@main

Author: dpino

Source/ThirdParty/libwebrtc/CMakeLists.txt

@@ -2155,30 +2155,6 @@ else ()
         Source/third_party/libyuv/source/scale_neon.cc
         Source/third_party/libyuv/source/scale_neon64.cc
 
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_asconf.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_auth.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_bsd_addr.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_callout.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_cc_functions.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_crc32.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_indata.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_input.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_output.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_pcb.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_peeloff.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_sha1.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_ss_functions.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_sysctl.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_timer.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_userspace.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_usrreq.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctputil.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet6/sctp6_usrreq.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/user_environment.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/user_mbuf.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/user_recv_thread.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/user_socket.c
-
         Source/webrtc/modules/audio_device/linux/alsasymboltable_linux.cc
         Source/webrtc/modules/audio_device/linux/audio_device_alsa_linux.cc
         Source/webrtc/modules/audio_device/linux/audio_mixer_manager_alsa_linux.cc
@@ -2300,10 +2276,6 @@ set(webrtc_INCLUDE_DIRECTORIES PRIVATE
     Source/third_party/opus/src/include
     Source/third_party/opus/src/silk
     Source/third_party/opus/src/silk/float
-    Source/third_party/usrsctp
-    Source/third_party/usrsctp/usrsctplib
-    Source/third_party/usrsctp/usrsctplib/usrsctplib
-    Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet
     Source/webrtc
     Source/webrtc/common_audio/resampler/include
     Source/webrtc/common_audio/signal_processing/include
@@ -2389,47 +2361,6 @@ target_include_directories(libsrtp PRIVATE
 )
 
 if (APPLE)
-    add_library(usrsctp STATIC
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_asconf.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_auth.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_bsd_addr.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_callout.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_cc_functions.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_crc32.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_indata.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_input.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_output.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_pcb.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_peeloff.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_sha1.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_ss_functions.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_sysctl.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_timer.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_userspace.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctp_usrreq.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet/sctputil.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/netinet6/sctp6_usrreq.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/user_environment.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/user_mbuf.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/user_recv_thread.c
-        Source/third_party/usrsctp/usrsctplib/usrsctplib/user_socket.c
-    )
-    target_compile_options(usrsctp PRIVATE
-        -D__Userspace_os_Darwin
-    )
-
-    target_include_directories(usrsctp PRIVATE
-        Source/third_party/boringssl/src/include
-        Source/third_party/usrsctp/usrsctplib/usrsctplib
-    )
-
-    target_compile_definitions(usrsctp PRIVATE
-        __Userspace__
-        SCTP_SIMPLE_ALLOCATOR
-        SCTP_PROCESS_LEVEL_LOCKS
-        SCTP_USE_OPENSSL_SHA1
-    )
-
     set(opus_SOURCES
         Source/third_party/opus/src/celt/kiss_fft.c
         Source/third_party/opus/src/celt/rate.c

Source/ThirdParty/libwebrtc/Source/DEPS

@@ -69,8 +69,6 @@ deps = {
     Var('chromium_git') + '/external/github.com/cisco/openh264' + '@' + '0fd88df93c5dcaf858c57eb7892bd27763f0f0ac',
   'src/third_party/openmax_dl':
     Var('chromium_git') + '/external/webrtc/deps/third_party/openmax.git' + '@' +  Var('openmax_dl_revision'),
-  'src/third_party/usrsctp/usrsctplib':
-    Var('chromium_git') + '/external/github.com/sctplab/usrsctp' + '@' + '2f6478eb8d40f1766a96b5b033ed26c0c2244589',
   'src/third_party/yasm/source/patched-yasm':
     Var('chromium_git') + '/chromium/deps/yasm/patched-yasm.git' + '@' + '7da28c6c7c6a1387217352ce02b31754deb54d2a',
   'src/tools':