all: fix more typos caused by unnecessary repetition

Updates #cleanup

Change-Id: I5c0b8f0152581231252ab97dd1820d8b3fcbe450
Signed-off-by: Alex Chan <alexc@tailscale.com>

cmd/k8s-operator/sts.go

@@ -993,7 +993,7 @@ func enableEndpoints(ss *appsv1.StatefulSet, metrics, debug bool) {
 		if isMainContainer(&c) {
 			if debug {
 				ss.Spec.Template.Spec.Containers[i].Env = append(ss.Spec.Template.Spec.Containers[i].Env,
-					// Serve tailscaled's debug metrics on on
+					// Serve tailscaled's debug metrics on
 					// <pod-ip>:9001/debug/metrics. If we didn't specify Pod IP
 					// here, the proxy would, in some cases, also listen to its
 					// Tailscale IP- we don't want folks to start relying on this

cmd/k8s-operator/svc.go

@@ -475,7 +475,7 @@ func retrieveClusterDomain(namespace string, logger *zap.SugaredLogger) string {
 }
 
 // clusterDomainFromResolverConf attempts to retrieve cluster domain from the provided resolver config.
-// It expects the first three search domains in the resolver config to be be ['<namespace>.svc.<cluster-domain>, svc.<cluster-domain>, <cluster-domain>, ...]
+// It expects the first three search domains in the resolver config to be ['<namespace>.svc.<cluster-domain>, svc.<cluster-domain>, <cluster-domain>, ...]
 // If the first three domains match the expected structure, it returns the third.
 // If the domains don't match the expected structure or an error is encountered, it defaults to 'cluster.local' domain.
 func clusterDomainFromResolverConf(conf *resolvconffile.Config, namespace string, logger *zap.SugaredLogger) string {

cmd/tailscale/cli/cli.go

@@ -489,7 +489,7 @@ func usageFuncOpt(c *ffcli.Command, withDefaults bool) string {
 
 			showDefault := f.DefValue != "" && withDefaults
 			// Issue 6766: don't show the default Windows socket path. It's long
-			// and distracting. And people on on Windows aren't likely to ever
+			// and distracting. And people on Windows aren't likely to ever
 			// change it anyway.
 			if runtime.GOOS == "windows" && f.Name == "socket" && strings.HasPrefix(f.DefValue, `\\.\pipe\ProtectedPrefix\`) {
 				showDefault = false