CONFIG: remove Darwin GCC wmake rules (partly broken, poorly tested)

wmake/rules/darwin64Gcc/c

-SUFFIXES += .c
-
-cc          = gcc -m64 -Ddarwin
-
-cWARN       = -Wall
-
-include $(DEFAULT_RULES)/c$(WM_COMPILE_OPTION)
-
-cFLAGS      = $(GFLAGS) $(cWARN) $(cOPT) $(cDBUG) $(LIB_HEADER_DIRS) -fPIC
-
-ctoo        = $(WM_SCHEDULER) $(cc) $(cFLAGS) -c $< -o $@
-
-LINK_LIBS   = $(cDBUG)
-
-LINKLIBSO   = $(cc) -Wl,-dylib,-undefined,dynamic_lookup
-LINKEXE     = $(cc) -Wl,-execute,-undefined,dynamic_lookup

wmake/rules/darwin64Gcc/c++

-include $(GENERAL_RULES)/Gcc/c++
-
-CC          = g++ -std=c++11 -m64 -Ddarwin
-
-include $(DEFAULT_RULES)/c++$(WM_COMPILE_OPTION)
-
-c++FLAGS    = $(GFLAGS) $(c++WARN) $(c++OPT) $(c++DBUG) $(ptFLAGS) $(LIB_HEADER_DIRS) -fPIC
-
-Ctoo        = $(WM_SCHEDULER) $(CC) $(c++FLAGS) -c $< -o $@
-cxxtoo      = $(Ctoo)
-cctoo       = $(Ctoo)
-cpptoo      = $(Ctoo)
-
-LINK_LIBS   = $(c++DBUG)
-
-LINKLIBSO   = $(CC) $(c++FLAGS) -Wl,-dylib,-undefined,dynamic_lookup
-LINKEXE     = $(CC) $(c++FLAGS) -Wl,-execute,-undefined,dynamic_lookup

wmake/rules/darwin64Gcc/c++Debug

-c++DBUG     = -ggdb3 -DFULLDEBUG
-c++OPT      = -O0 -fdefault-inline

wmake/rules/darwin64Gcc/c++Opt

-c++DBUG     =
-c++OPT      = -O3
-
-ROUNDING_MATH = -frounding-math

wmake/rules/darwin64Gcc/c++Prof

-c++DBUG    = -pg
-c++OPT     = -O2

wmake/rules/darwin64Gcc/cDebug

-cDBUG       = -ggdb -DFULLDEBUG
-cOPT        = -O1 -fdefault-inline -finline-functions

wmake/rules/darwin64Gcc/cOpt

-cDBUG       =
-cOPT        = -O3

wmake/rules/darwin64Gcc/cProf

-cDBUG       = -pg
-cOPT        = -O2

wmake/rules/darwin64Gcc/general

-CPP        = cpp -traditional-cpp $(GFLAGS) -Ddarwin
-
-PROJECT_LIBS = -l$(WM_PROJECT) -ldl
-
-include $(GENERAL_RULES)/standard
-include $(GENERAL_RULES)/Gcc/openmp
-
-include $(DEFAULT_RULES)/c
-include $(DEFAULT_RULES)/c++