Remove stale changes.

.github/workflows/build.yml

@@ -31,7 +31,7 @@ jobs:
             cmake: -DCMAKE_PREFIX_PATH=D:/a/qtk/qtk/Qt/$QT_VERSION/mingw81_64/ $CONFIG
             flags: ''
           - os: macos-latest
-            cmake: -DCMAKE_PREFIX_PATH=/home/runner/work/qtk/Qt/$QT_VERSION/gcc_64/ -Dfdopen=fdopen $CONFIG
+            cmake: -DCMAKE_PREFIX_PATH=/home/runner/work/qtk/Qt/$QT_VERSION/gcc_64/ $CONFIG
             flags: -j $(nproc)
 
     runs-on: ${{ matrix.os }}

CMakeLists.txt

@@ -163,9 +163,9 @@ if(QTK_SUBMODULES)
     add_compile_definitions(-Dfdopen=fdopen)
   endif()
   if(NOT WIN32)
+    # Required to statically link.
     add_compile_options(-fPIC)
   endif()
-  # Required to statically link.
   set(BUILD_SHARED_LIBS OFF CACHE STRING "Build static assimp libs" FORCE)
   set(ASSIMP_BUILD_ZLIB ON CACHE STRING "Build Zlib with assimp." FORCE)
   set(