Code completion: don't adjust implicitly unwrapped optional types to normal

optionals

rdar://17732126


Swift SVN r20212

lib/IDE/CodeCompletionResultBuilder.h

@@ -175,12 +175,6 @@ public:
         getLastChunk().setIsAnnotation();
     }
 
-    // Print non-inout '@unchecked' optional arguments as normal optionals,
-    // because the difference is not important for the caller.
-    if (Type ObjectType = Ty->getImplicitlyUnwrappedOptionalObjectType()) {
-      Ty = OptionalType::get(ObjectType);
-    }
-
     // 'inout' arguments are printed specially.
     if (auto *IOT = Ty->getAs<InOutType>()) {
       addChunkWithTextNoCopy(