Remove isDebug from forge

platforms/forge/src/main/java/com/dfsek/terra/forge/TerraForgePlugin.java

@@ -332,11 +332,6 @@ public class TerraForgePlugin implements TerraPlugin {
         return dataFolder;
     }
 
-    @Override
-    public boolean isDebug() {
-        return true;
-    }
-
     @Override
     public Language getLanguage() {
         return LangUtil.getLanguage();