removed unneeded module yaml.v3 from go.mod

Author: CodeShellDev

go.mod

@@ -2,10 +2,7 @@ module github.com/codeshelldev/secured-signal-api
 
 go 1.25.1
 
-require (
-	go.uber.org/zap v1.27.0
-	gopkg.in/yaml.v3 v3.0.1
-)
+require go.uber.org/zap v1.27.0
 
 require (
 	github.com/fsnotify/fsnotify v1.9.0 // indirect