chore: remove the support for generated components

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 59.68254% with 127 lines in your changes missing coverage. Please review.

Project coverage is 61.36%. Comparing base (a63502a) to head (f92b88f). Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/controller/component/service_reference.go	56.29%	98 Missing and 13 partials :warning:
controllers/apps/operations/switchover.go	0.00%	9 Missing :warning:
pkg/controller/component/synthesize_component.go	70.00%	2 Missing and 1 partial :warning:
...ers/apps/configuration/configuration_controller.go	75.00%	0 Missing and 2 partials :warning:
...rs/apps/transformer_component_account_provision.go	0.00%	0 Missing and 1 partial :warning:
...ollers/apps/transformer_component_pre_terminate.go	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #8154 +/- ## ========================================== + Coverage 60.98% 61.36% +0.37% ========================================== Files 359 358 -1 Lines 41458 41282 -176 ========================================== + Hits 25284 25331 +47 + Misses 13903 13703 -200 + Partials 2271 2248 -23 ``` | [Flag](https://app.codecov.io/gh/apecloud/kubeblocks/pull/8154/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apecloud) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/apecloud/kubeblocks/pull/8154/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apecloud) | `61.36% <59.68%> (+0.37%)` | :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=apecloud#carryforward-flags-in-the-pull-request-comment) to find out more.

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[leon-inf]

/approve