misc/cgo/testcarchive: remove special flags for Darwin/ARM

The original Darwin/ARM port is gone. For ARM64, it works fine
without the flags on macOS/ARM64. Remove the flags.

Change-Id: I9cc00c49dd71376dd9c52abb78c2d8cec656b3db
Reviewed-on: https://go-review.googlesource.com/c/go/+/280157
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Author: cherrymui

misc/cgo/testcarchive/carchive_test.go

@@ -118,11 +118,6 @@ func testMain(m *testing.M) int {
 		cc = append(cc, s[start:])
 	}
 
-	if GOOS == "darwin" || GOOS == "ios" {
-		// For Darwin/ARM.
-		// TODO: do we still need this?
-		cc = append(cc, []string{"-framework", "CoreFoundation", "-framework", "Foundation"}...)
-	}
 	if GOOS == "aix" {
 		// -Wl,-bnoobjreorder is mandatory to keep the same layout
 		// in .text section.