enable by default

plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/visibility/TypeParameterHidesVisibleTypeInspectionBase.java

@@ -35,6 +35,11 @@ public class TypeParameterHidesVisibleTypeInspectionBase extends BaseInspection
     return true;
   }
 
+  @Override
+  public boolean isEnabledByDefault() {
+    return true;
+  }
+
   @Override
   @NotNull
   public String buildErrorString(Object... infos) {