Remove preprocessor definitions handled in Platform.h from makefiles,…

… remove obsolete function alias on Linux

Resolves twhl-community#61
twhl-community#59

(cherry picked from commit 5f45923)

common/Platform.h

@@ -125,7 +125,6 @@ typedef int BOOL;
 #define MAX_PATH PATH_MAX
 
 #define stricmp strcasecmp
-#define _strnicmp strncasecmp
 #define strnicmp strncasecmp
 #define _alloca alloca
 

linux/Makefile

@@ -89,7 +89,7 @@ endif
 
 ARCH_CFLAGS="$(ARCH_CFLAGS_I486)"
 
-BASE_CFLAGS=-fpermissive -fno-strict-aliasing -DNDEBUG -DPOSIX -D_POSIX -DLINUX -D_LINUX -DGNUC -Dstricmp=strcasecmp -D_strnicmp=strncasecmp -Dstrnicmp=strncasecmp -D_snprintf=snprintf -D_alloca=alloca -fno-exceptions -fexpensive-optimizations -D_vsnprintf=vsnprintf -DNO_MALLOC_OVERRIDE -Werror=return-type
+BASE_CFLAGS=-fpermissive -fno-strict-aliasing -DNDEBUG -DPOSIX -D_POSIX -DLINUX -D_LINUX -DGNUC -DNO_MALLOC_OVERRIDE -fno-exceptions -fexpensive-optimizations -Werror=return-type
 BASE_CFLAGS+=-w
 
 ifeq ($(OS),Darwin)

linux/Makefile.hl_cdll

@@ -15,7 +15,7 @@ GAME_SHARED_OBJ_DIR=$(HL1_OBJ_DIR)/game_shared
 HL1_SERVER_OBJ_DIR=$(HL1_OBJ_DIR)/server
 PM_SHARED_OBJ_DIR=$(HL1_OBJ_DIR)/pm_shared
 
-CFLAGS=$(BASE_CFLAGS) $(ARCH_CFLAGS) -DCLIENT_DLL -DCLIENT_WEAPONS -I/usr/include/malloc -D_snwprintf=swprintf
+CFLAGS=$(BASE_CFLAGS) $(ARCH_CFLAGS) -DCLIENT_DLL -DCLIENT_WEAPONS -I/usr/include/malloc
 
 INCLUDEDIRS=-I$(HL_SRC_DIR) -I../dlls -I$(COMMON_SRC_DIR) -I$(PUBLIC_SRC_DIR) -I../pm_shared -I../engine -I../utils/vgui/include -I ../game_shared -I../external