chore: cleanup deprecated constructor for base plugin

[guqing]

What type of PR is this?

/kind cleanup /area plugin /milestone 2.17.x

What this PR does / why we need it:

移除 BasePlugin 中已经过时的构造方法

在 2.6.1 版本中将 BasePlugin(PluginWrapper wrapper) 标记为过时并使用 BasePlugin(PluginContext pluginContext) 代替，现在已经过了很多版本，是时候移除它了。

see also #4023

Does this PR introduce a user-facing change?

开发者相关：移除 BasePlugin 中已经过时的构造方法

[codecov[bot]]

Codecov Report

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

Project coverage is 58.06%. Comparing base (bc10336) to head (77583c0). Report is 59 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #6243 +/- ## ============================================ + Coverage 54.51% 58.06% +3.55% - Complexity 3523 3749 +226 ============================================ Files 646 647 +1 Lines 21862 21963 +101 Branches 1528 1536 +8 ============================================ + Hits 11917 12752 +835 + Misses 9328 8594 -734 Partials 617 617 ```

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[JohnNiang]

/milestone 2.18.x

移除改构造函数会造成很多插件无法启动。建议等 Halo 2.17.0 发布之后再合并，并通过各个渠道通知插件开发者我们将正式在 2.18 中移除过时的构造函数。

/hold

[f2c-ci-robot[bot]]

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