Codechange: remove the unused SLF_HEX flag

src/saveload/saveload.h

@@ -490,8 +490,6 @@ enum VarTypes {
 	SLF_NO_NETWORK_SYNC = 1 << 10, ///< do not synchronize over network (but it is saved if SLF_NOT_IN_SAVE is not set)
 	SLF_ALLOW_CONTROL   = 1 << 11, ///< allow control codes in the strings
 	SLF_ALLOW_NEWLINE   = 1 << 12, ///< allow new lines in the strings
-	SLF_HEX             = 1 << 13, ///< print numbers as hex in the config file (only useful for unsigned)
-	/* 2 more possible flags */
 };
 
 typedef uint32 VarType;