refactor: remove URL field from the failure struct

rule/deep-exit.go

@@ -81,7 +81,6 @@ func (w lintDeepExit) Visit(node ast.Node) ast.Visitor {
 			Confidence: 1,
 			Node:       ce,
 			Category:   "bad practice",
-			URL:        "#deep-exit",
 			Failure:    fmt.Sprintf("calls to %s.%s only in main() or init() functions", pkg, fn),
 		})
 	}