Exclude Qt rendering engine binaries from Windows Companion install.

companion/src/CMakeLists.txt

@@ -384,8 +384,8 @@ elseif(WIN32)
   endif()  # WIN_DO_FULL_INSTALL
 
   # Qt dlls (using windeployqt)
-  ## Qt translations are already packaged into our custom qrc. Pckg size could be further reduced with: [--no-system-d3d-compiler] [--no-angle]
-  set(wdqtopts --no-translations --no-opengl-sw)
+  ## Qt translations are already packaged into our custom qrc. Also don't need software rendering engines.
+  set(wdqtopts --no-translations --no-opengl-sw --no-system-d3d-compiler --no-angle)
   if(CMAKE_BUILD_TYPE STREQUAL "Release")
     set(wdqtopts ${wdqtopts} --release)  # release builds aren't always properly detected with mingw
   endif()