Update SwiftPM pins

Author: shoumikhin

examples/demo-apps/apple_ios/LLaMA/LLaMA.xcodeproj/project.pbxproj

@@ -485,8 +485,6 @@
 				03CF43A52CEC5CEC00C7113B /* kernels_custom_debug */,
 				03CF43A72CEC5CEC00C7113B /* kernels_optimized */,
 				03CF43A92CEC5CEC00C7113B /* kernels_optimized_debug */,
-				03CF43AB2CEC5CEC00C7113B /* kernels_portable */,
-				03CF43AD2CEC5CEC00C7113B /* kernels_portable_debug */,
 				03CF43AF2CEC5CEC00C7113B /* kernels_quantized */,
 				03CF43B12CEC5CEC00C7113B /* kernels_quantized_debug */,
 			);
@@ -1012,16 +1010,6 @@
 			package = 03CF43942CEC5CEC00C7113B /* XCRemoteSwiftPackageReference "executorch" */;
 			productName = kernels_optimized_debug;
 		};
-		03CF43AB2CEC5CEC00C7113B /* kernels_portable */ = {
-			isa = XCSwiftPackageProductDependency;
-			package = 03CF43942CEC5CEC00C7113B /* XCRemoteSwiftPackageReference "executorch" */;
-			productName = kernels_portable;
-		};
-		03CF43AD2CEC5CEC00C7113B /* kernels_portable_debug */ = {
-			isa = XCSwiftPackageProductDependency;
-			package = 03CF43942CEC5CEC00C7113B /* XCRemoteSwiftPackageReference "executorch" */;
-			productName = kernels_portable_debug;
-		};
 		03CF43AF2CEC5CEC00C7113B /* kernels_quantized */ = {
 			isa = XCSwiftPackageProductDependency;
 			package = 03CF43942CEC5CEC00C7113B /* XCRemoteSwiftPackageReference "executorch" */;