docs: fix two broken links related to MSVC

The doc build is now clean of warnings again.

Author: rgommers

docs/faq.md

@@ -99,7 +99,7 @@ Here is the result of the DGEMM subroutine's performance on Intel Core i5-2500K
 
 ### <a name="MSVC"></a>How can I call an OpenBLAS function in Microsoft Visual Studio?
 
-Please read [this page](install.md#visual-studio).
+Please read [this page](install.md#visual-studio-native-windows-abi).
 
 ### <a name="C99_complex_number"></a>How can I use CBLAS and LAPACKE without C99 complex number support (e.g. in Visual Studio)?
 

docs/install.md

@@ -505,7 +505,7 @@ In your shell, move to this directory: `cd exports`.
     incompatibility in the C ABI would be a bug).
 
     The import libraries of MSVC have the suffix `.lib`. They are generated
-    from a `.def` file using MSVC's `lib.exe`. See [the MSVC instructions](use_visual_studio.md#generate-import-library-before-0210-version).
+    from a `.def` file using MSVC's `lib.exe`.
 
 === "MinGW"