Remove unused code

[sebsto]

Expected behavior

trap and Signal is not used anymore

swift-aws-lambda-runtime/Sources/AWSLambdaRuntimeCore/Utils.swift

Line 40 in c22f527

func trap(signal sig: Signal, handler: @escaping (Signal) -> Void) -> DispatchSourceSignal {

Actual behavior

n/a

Steps to reproduce

n/a

If possible, minimal yet complete reproducer code (or URL to code)

No response

What version of this project (swift-aws-lambda-runtime) are you using?

main

Swift version

all

Amazon Linux 2 docker image version

all