Deprecate TextRendering Extension and remove msdfgen from 3rdparty

.gitmodules

@@ -65,10 +65,6 @@
 [submodule "examples_tests"]
 	path = examples_tests
 	url = git@github.com:Devsh-Graphics-Programming/Nabla-Examples-and-Tests.git
-[submodule "3rdparty/msdfgen"]
-	path = 3rdparty/msdfgen
-	url = git@github.com:Chlumsky/msdfgen.git
-	branch = master
 [submodule "3rdparty/dxc/dxc"]
 	path = 3rdparty/dxc/dxc
 	url = git@github.com:Devsh-Graphics-Programming/DirectXShaderCompiler.git

3rdparty/CMakeLists.txt

@@ -39,24 +39,6 @@ add_subdirectory(simdjson simdjson EXCLUDE_FROM_ALL)
 # freetype2
 set(FT_WITH_HARFBUZZ OFF)
 add_subdirectory(freetype2 freetype2 EXCLUDE_FROM_ALL)
-add_library(Freetype::Freetype ALIAS freetype) # alias target for MSDFGEN not trying to find freetype system-wide but rather to use the logical target available in our build tree
-
-# msdfgen
-set(MSDFGEN_USE_VCPKG OFF)
-set(MSDFGEN_USE_SKIA OFF)
-set(MSDFGEN_CORE_ONLY OFF) # if turned on then MSDFGEN will be built without dependencies like freetype or skia
-set(MSDFGEN_INSTALL OFF)
-set(MSDFGEN_BUILD_STANDALONE OFF)
-set(MSDFGEN_USE_CPP11 ON)
-set(MSDFGEN_DISABLE_SVG ON)
-set(MSDFGEN_DISABLE_PNG ON)
-add_subdirectory(msdfgen msdfgen EXCLUDE_FROM_ALL)
-
-if(MSDFGEN_CORE_ONLY)
-	message(FATAL_ERROR "Internal error, MSDF must be used with extension target as well!")
-else()
-	set(NBL_MSDFGEN_TARGETS msdfgen-ext msdfgen-core)
-endif()
 
 set_property(TARGET simdjson PROPERTY CXX_STANDARD 17)