Rollback increase timeout for deactivating failpoint

Because of etcd-io/gofail#64 being merged,
we can rollback the change.

Reference:
- #17719

Signed-off-by: Chun-Hung Tseng <henrybear327@gmail.com>

tests/framework/e2e/etcd_process.go

@@ -400,8 +400,7 @@ func (f *BinaryFailpoints) DeactivateHTTP(ctx context.Context, failpoint string)
 		return err
 	}
 	httpClient := http.Client{
-		// TODO: Decrease after deactivate is not blocked by sleep https://github.com/etcd-io/gofail/issues/64
-		Timeout: 2 * time.Second,
+		Timeout: 1 * time.Second,
 	}
 	if f.clientTimeout != 0 {
 		httpClient.Timeout = f.clientTimeout