Remove import search path for load-invalid-arch framework test

Author: tapthaker

test/Serialization/load-invalid-arch.swift

@@ -11,7 +11,7 @@
 // RUN: mkdir -p %t/new_module.framework/Modules/new_module.swiftmodule/
 // RUN: touch %t/new_module.framework/Modules/new_module.swiftmodule/powerpc64.swiftmodule
 // RUN: touch %t/new_module.framework/Modules/new_module.swiftmodule/arm64.swiftmodule
-// RUN: %target-swift-frontend %s -F %t -typecheck -I %t -verify -show-diagnostics-after-fatal
+// RUN: %target-swift-frontend %s -F %t -typecheck -verify -show-diagnostics-after-fatal
 
 import new_module // expected-error {{no such module 'new_module'}} expected-error {{could not find module 'new_module' for architecture 'x86_64' found: powerpc64, arm64}}