fix build warning "ld: warning: directory not found for option"

CryptoSwift.xcodeproj/project.pbxproj

@@ -673,10 +673,6 @@
 		754BE46F19693E190098E6F3 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				FRAMEWORK_SEARCH_PATHS = (
-					"$(SDKROOT)/Developer/Library/Frameworks",
-					"$(inherited)",
-				);
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"DEBUG=1",
 					"$(inherited)",
@@ -698,10 +694,6 @@
 		754BE47019693E190098E6F3 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				FRAMEWORK_SEARCH_PATHS = (
-					"$(SDKROOT)/Developer/Library/Frameworks",
-					"$(inherited)",
-				);
 				GCC_OPTIMIZATION_LEVEL = fast;
 				GCC_UNROLL_LOOPS = YES;
 				HEADER_SEARCH_PATHS = (