fix: modify mismatched code comments in podbindingcontroller

[huangchenzhao]

What type of PR is this?

/kind bug

What this PR does / why we need it:

modify mismatched code comments in podbindingcontroller

[sonarcloud[bot]]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (81d21b7) 52.16% compared to head (474b61b) 52.17%. Report is 3 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1928 +/- ## ======================================= Coverage 52.16% 52.17% ======================================= Files 172 172 Lines 20874 20874 ======================================= + Hits 10888 10890 +2 + Misses 9018 9017 -1 + Partials 968 967 -1 ``` | [Flag](https://app.codecov.io/gh/openyurtio/openyurt/pull/1928/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openyurtio) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/openyurtio/openyurt/pull/1928/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openyurtio) | `52.17% <ø> (+<0.01%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openyurtio#carryforward-flags-in-the-pull-request-comment) to find out more.

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[rambohe-ch]

/rerun

[rambohe-ch]

/rerun

[huangchenzhao]

/rerun

[huangchenzhao]

/rerun

[rambohe-ch]

/lgtm