Remove kde4_no_enable_final from CMakeLists.txt

Tried to build KWin with enable final: it doesn't work. So if nobody uses
it, we don't need it in the CMakeLists to make it work.

Also it's removed in KF5 which means that removing it right now removes
differences in the build system.

REVIEW: 109357

effects/CMakeLists.txt

@@ -1,6 +1,3 @@
-# the factory macros cause errors
-kde4_no_enable_final(kwineffects)
-
 set(kwin_effect_OWN_LIBS
     kwineffects
 )

kcmkwin/CMakeLists.txt

@@ -1,5 +1,3 @@
-kde4_no_enable_final( kwinoptions )
-
 add_subdirectory( kwinoptions )
 add_subdirectory( kwindecoration )
 add_subdirectory( kwinrules )