Fix various typos in kubelet

pkg/kubelet/runonce_test.go

@@ -140,7 +140,7 @@ func TestRunOnce(t *testing.T) {
 	}
 	podManager.SetPods(pods)
 	// The original test here is totally meaningless, because fakeruntime will always return an empty podStatus. While
-	// the originial logic of isPodRunning happens to return true when podstatus is empty, so the test can always pass.
+	// the original logic of isPodRunning happens to return true when podstatus is empty, so the test can always pass.
 	// Now the logic in isPodRunning is changed, to let the test pass, we set the podstatus directly in fake runtime.
 	// This is also a meaningless test, because the isPodRunning will also always return true after setting this. However,
 	// because runonce is never used in kubernetes now, we should deprioritize the cleanup work.