DOC: Fix Docstring Errors for pandas.api.extensions.ExtensionArray
- [ ] xref #58539

Fixed SA01 issues for the following methods:

```
 -i "pandas.api.extensions.ExtensionArray SA01" \ 
 -i "pandas.api.extensions.ExtensionArray._accumulate RT03,SA01" \ 
 -i "pandas.api.extensions.ExtensionArray._concat_same_type PR07,SA01" \ 
 -i "pandas.api.extensions.ExtensionArray._formatter SA01" \ 
 -i "pandas.api.extensions.ExtensionArray._from_sequence SA01" \ 
```
Fixed functions also removed from code_checks.sh



Thanks @gboeker 