removed a prototype

Author: Arthur Ozga

src/compiler/checker.ts

@@ -14340,12 +14340,6 @@ namespace ts {
  return grammarErrorOnNode(modifier, Diagnostics._0_modifier_cannot_be_used_with_1_modifier, "private", "abstract");
  }
  }
- else {
- // mark the constructor abstract for static-side assignability restrictions.
- 
- // (<ClassDeclaration>node).members.????;
- 
- }
 
  flags |= NodeFlags.Abstract;
  break;