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/3rdParty/Pivy-0.5/CMakeLists.txt

@@ -27,8 +27,7 @@ if(MSVC)
         Rpcrt4.lib
         debug ${COIN3D_LIBRARY_DEBUG}
         optimized ${COIN3D_LIBRARY_RELEASE}
-        debug ${PYTHON_DEBUG_LIBRARY}
-        optimized ${PYTHON_LIBRARY})
+        ${PYTHON_LIBRARY})
 else(MSVC)
     set(CoinPy_LIBS
         ${COIN3D_LIBRARY}

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}