Locale: remove usage of LC_MESSAGE

Author: CarterLi

src/common/init.c

@@ -54,9 +54,6 @@ void ffInitInstance(void)
     #else
         // Never use `setlocale(LC_ALL, "")`
         setlocale(LC_TIME, "");
-        #ifdef LC_MESSAGES
-            setlocale(LC_MESSAGES, "");
-        #endif
     #endif
 
     initState(&instance.state);

src/detection/locale/locale_linux.c

@@ -8,19 +8,9 @@ void ffDetectLocale(FFstrbuf* result)
     if(result->length > 0)
         return;
 
-    ffStrbufAppendS(result, getenv("LC_MESSAGES"));
-    if(result->length > 0)
-        return;
-
     ffStrbufAppendS(result, getenv("LANG"));
     if(result->length > 0)
         return;
 
-    #ifdef LC_MESSAGES
-    ffStrbufAppendS(result, setlocale(LC_MESSAGES, NULL));
-    if(result->length > 0)
-        return;
-    #endif
-
     ffStrbufAppendS(result, setlocale(LC_TIME, NULL));
 }