Revert "Build fix: Update fix-it stub editor test"

This reverts commit 9a17226.

Author: shahmishal

test/decl/protocol/conforms/fixit_stub_editor.swift

@@ -1,9 +1,6 @@
 // RUN: %target-typecheck-verify-swift -diagnostics-editor-mode
-// REQUIRES: objc_interop
 
-import Foundation
-
-@objc protocol P1 {
+protocol P1 {
   @available(iOS, unavailable)
   func foo1()
   func foo2()
@@ -14,10 +11,7 @@ protocol P2 {
   func bar2()
 }
 
-class C1 : P1, P2 {}
-// expected-error@-1 {{type 'C1' does not conform to protocol 'P1'}}
-// expected-error@-2 {{type 'C1' does not conform to protocol 'P2'}}
-// expected-note@-3 {{do you want to add protocol stubs?}} {{20-20=\n    func foo2() {\n        <#code#>\n    \}\n\n    func bar1() {\n        <#code#>\n    \}\n\n    func bar2() {\n        <#code#>\n    \}\n}}
+class C1 : P1, P2 {} // expected-error{{type 'C1' does not conform to protocol 'P1'}} expected-error{{type 'C1' does not conform to protocol 'P2'}} expected-note{{do you want to add protocol stubs?}}{{20-20=\n    func foo1() {\n        <#code#>\n    \}\n\n    func foo2() {\n        <#code#>\n    \}\n\n    func bar1() {\n        <#code#>\n    \}\n\n    func bar2() {\n        <#code#>\n    \}\n}}
 
 protocol P3 {
   associatedtype T1