chore: update golangci-lint arguments for colored output and clean up Cloudflare function

Author: 9dl

.github/workflows/golangci-lint.yml

@@ -15,4 +15,4 @@ jobs:
         uses: golangci/golangci-lint-action@v3
         with:
           version: latest
-          args: --timeout=10m
+          args: --timeout=10m --out-format=colored-line-number

waf/cloudflare.go

@@ -13,6 +13,4 @@ func Cloudflare(headers http.Header, response string) bool {
 
 	CfRayHeader := headers.Get("cf-ray")
 	return CfRayHeader != ""
-
-	return false
 }