Fix some typo in kubelet component source code

pkg/kubelet/pluginmanager/operationexecutor/operation_executor.go

@@ -43,7 +43,7 @@ import (
 // errors are simply logged and the goroutine is terminated without updating
 // actualStateOfWorld.
 type OperationExecutor interface {
-	// RegisterPlugin registers the given plugin using the a handler in the plugin handler map.
+	// RegisterPlugin registers the given plugin using a handler in the plugin handler map.
 	// It then updates the actual state of the world to reflect that.
 	RegisterPlugin(socketPath string, timestamp time.Time, pluginHandlers map[string]cache.PluginHandler, actualStateOfWorld ActualStateOfWorldUpdater) error
 

pkg/kubelet/pluginmanager/pluginwatcher/plugin_watcher_test.go

@@ -184,7 +184,7 @@ func TestPluginReRegistration(t *testing.T) {
 	// The updated plugin should be in the desired state of world cache
 	for i := 0; i < 10; i++ {
 		// Stop the plugin; the plugin should be removed from the desired state of world cache
-		// The plugin removel doesn't work when running the unit tests locally: event.Op of plugin watcher won't pick up the delete event
+		// The plugin removal doesn't work when running the unit tests locally: event.Op of plugin watcher won't pick up the delete event
 		require.NoError(t, p.Stop())
 		waitForUnregistration(t, pluginInfo.SocketPath, dsw)