Remove bundled BundleUtilities

Previously, we included a newer version of BundleUtilities and
GetPrerequisites for macOS. However, the changes we needed have long been
included in CMake, and we weren't using our BundleUtilities in all the
places it was being used.

kicad/CMakeLists.txt

@@ -223,7 +223,6 @@ if( APPLE )
         ${OSX_BUNDLE_OVERRIDE_PATHS}
 
         # do all the work
-        include( ${CMAKE_MODULE_PATH}/BundleUtilities.cmake )
 
         if ( ${PYTHON_FRAMEWORK_HELPER} )
             # This idea here is to repair anything that fixup_bundle doesn't handle