Build/CMake: CMake options cleanup after febb26d4b7

cmake/showoptions.cmake

@@ -62,14 +62,6 @@ else()
   message("* Use coreside debug     : No  (default)")
 endif()
 
-if( WIN32 )
-  if( USE_MYSQL_SOURCES )
-    message("* Use MySQL sourcetree   : Yes (default)")
-  else()
-    message("* Use MySQL sourcetree   : No")
-  endif()
-endif( WIN32 )
-
 if ( WITHOUT_GIT )
   message("* Use GIT revision hash  : No")
   message("")