[Cleanup] Only link Lua with zone (#1288)

Only zone requires to be linked to lua, so let's not link EVERYTHING.

There is probably more clean up we could do, but I know for a fact Lua
is only used by zone.

This probably has some measurable benefits that probably don't really
matter that much :)

CMakeLists.txt

@@ -313,7 +313,7 @@ IF(LUA_LIBRARY_ENABLED)
 	
 	IF(EQEMU_BUILD_LUA)
 		ADD_DEFINITIONS(-DLUA_EQEMU)
-		SET(SERVER_LIBS ${SERVER_LIBS} ${LUA_LIBRARY_LIBS})
+		SET(ZONE_LIBS ${LUA_LIBRARY_LIBS})
 		INCLUDE_DIRECTORIES(SYSTEM "${LUA_LIBRARY_INCLUDE}")
 		
 		OPTION(EQEMU_SANITIZE_LUA_LIBS "Sanitize Lua Libraries (Remove OS and IO standard libraries from being able to run)." ON)
@@ -348,6 +348,8 @@ IF(UNIX)
 	ENDIF()
 ENDIF()
 
+SET(ZONE_LIBS ${ZONE_LIBS} ${SERVER_LIBS})
+
 IF(EQEMU_BUILD_LOGIN AND NOT TLS_LIBRARY_ENABLED)
 	MESSAGE(FATAL_ERROR "Login server requires a TLS Library to build.")
 ENDIF()