Revert "Fixing ConnectSE compilation warnings"

This reverts commit aa61e4c7
that broke the compilation on few platforms (e.g. centos5).

These warnings are already fixed properly in 10.0-connect.

storage/connect/CMakeLists.txt

@@ -72,13 +72,6 @@ IF(UNIX)
     message(STATUS "CONNECT: GCC: Some warnings disabled")
   endif(WITH_WARNINGS)
 
-  # Avoid compilation failure in maintainer mode
-  IF(CMAKE_COMPILER_IS_GNUCXX)
-    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-overloaded-virtual -Wno-error=type-limits")
-    string(REPLACE "-Woverloaded-virtual" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
-    string(REPLACE "-Woverloaded-virtual" "" CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}")
-  ENDIF(CMAKE_COMPILER_IS_GNUCXX)
-
   add_definitions( -DUNIX -DLINUX -DUBUNTU )
 
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpermissive -fexceptions -fPIC ")