Fix duplicate 'optimized' when using new libpack

When using a CLbundler libpack, PYTHON_LIBRARY has both optimized and debug
libs, but it doesn't when using an old libpack, which was the reason for
commit f5a4e680

src/Base/CMakeLists.txt

@@ -21,8 +21,7 @@ if(MSVC)
     set(FreeCADBase_LIBS
         ${Boost_LIBRARIES}
         ${Boost_DEBUG_LIBRARIES}
-        debug ${PYTHON_DEBUG_LIBRARY}
-        optimized ${PYTHON_LIBRARY}
+        ${PYTHON_LIBRARY}
         debug ${XERCESC_DEBUG_LIBRARIES}
         optimized ${XERCESC_LIBRARIES}
         ${QT_QTCORE_LIBRARY}