Remove codesign from test/Interpreter/SDK/objc_swift3_deprecated_objc_inference.swift

Author: shahmishal

test/Interpreter/SDK/objc_swift3_deprecated_objc_inference.swift

@@ -1,6 +1,5 @@
 // RUN: %empty-directory(%t)
 // RUN: %target-build-swift -swift-version 4 -Xfrontend -enable-swift3-objc-inference %s -o %t/a.out
-// RUN: %target-codesign %t/a.out
 // RUN: %target-run %t/a.out 2>&1 | %FileCheck %s -check-prefix=CHECK_WARNINGS
 // RUN: env %env-SWIFT_DEBUG_IMPLICIT_OBJC_ENTRYPOINT=0 %target-run %t/a.out 2>&1 | %FileCheck %s -check-prefix=CHECK_NOTHING