Remove the unused Ref logging level

alc/alc.cpp

@@ -976,7 +976,11 @@ void alc_initconfig(void)
     if(auto loglevel = al::getenv("ALSOFT_LOGLEVEL"))
     {
         long lvl = strtol(loglevel->c_str(), nullptr, 0);
-        if(lvl >= static_cast<long>(LogLevel::Disable) && lvl <= static_cast<long>(LogLevel::Ref))
+        if(lvl >= static_cast<long>(LogLevel::Trace))
+            gLogLevel = LogLevel::Trace;
+        else if(lvl <= static_cast<long>(LogLevel::Disable))
+            gLogLevel = LogLevel::Disable;
+        else
             gLogLevel = static_cast<LogLevel>(lvl);
     }
 

alc/helpers.cpp

@@ -356,7 +356,6 @@ void al_print(LogLevel level, FILE *logfile, const char *fmt, ...)
         case LogLevel::Warning: return ANDROID_LOG_WARN;
         case LogLevel::Error: return ANDROID_LOG_ERROR;
         /* Should not happen. */
-        case LogLevel::Ref:
         case LogLevel::Disable:
             break;
         }

alc/logging.h

@@ -10,8 +10,7 @@ enum class LogLevel {
     Disable,
     Error,
     Warning,
-    Trace,
-    Ref
+    Trace
 };
 extern LogLevel gLogLevel;