Minor fix in definitions.qll

Author: tamasvajk

csharp/ql/src/definitions.qll

@@ -154,13 +154,11 @@ private class TypeMentionUse extends Use, TypeMention {
   override predicate hasLocationInfo(
     string filepath, int startline, int startcolumn, int endline, int endcolumn
   ) {
-    this.getType() instanceof ConstructedType and
     Use.super.hasLocationInfo(filepath, startline, startcolumn, endline, _) and
     endcolumn =
       startcolumn +
           this.getType().(ConstructedType).getUnboundGeneric().getNameWithoutBrackets().length() - 1
     or
-    this.getType() instanceof UnboundGenericType and
     Use.super.hasLocationInfo(filepath, startline, startcolumn, endline, _) and
     endcolumn =
       startcolumn + this.getType().(UnboundGenericType).getNameWithoutBrackets().length() - 1