Merge pull request swiftlang#6734 from apple/revert-6718-fix-playground-transform-generics

Revert "Playground Transform: Fix assertion failure in generic code"

Author: aschwaighofer

lib/Sema/PlaygroundTransform.cpp

@@ -742,7 +742,8 @@ class Instrumenter : InstrumenterBase {
                               /*IsCaptureList*/false, SourceLoc(),
                               Context.getIdentifier(NameBuf),
                               MaybeLoadInitExpr->getType(), TypeCheckDC);
-    VD->setInterfaceType(TypeCheckDC->mapTypeOutOfContext(VD->getType()));
+
+    VD->setInterfaceType(VD->getType());
     VD->setImplicit();
 
     NamedPattern *NP = new (Context) NamedPattern(VD, /*implicit*/ true);