## Description
- Removal of release_git_autocommit_feature_enabled flag
- Removal of fallback implementation to classes which was autocommit
flag annotated
- Removal of irrelevant test cases post removal of fallback
implementation.
Fixes #`Issue Number`
_or_
Fixes `Issue URL`
> [!WARNING]
> _If no issue exists, please create an issue first, and check with the
maintainers if the issue is valid._
## Automation
/ok-to-test tags="@tag.Git"
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!TIP]
> 🟢🟢🟢 All cypress tests have passed! 🎉🎉🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/10994151881>
> Commit: 42b43f19e4b47d70f8c9784ae1c4c67601d79412
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=10994151881&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Git`
> Spec:
> <hr>Mon, 23 Sep 2024 12:53:01 UTC
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [ ] No
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Enhanced file operations for resource management in Git, including
methods for saving, deleting, and reading resources.
- Streamlined handling of auto-commit functionalities, making certain
features universally accessible.
- **Bug Fixes**
- Removed outdated fallback implementations for auto-commit eligibility
and Git auto-commit helpers.
- **Refactor**
- Simplified constructors and dependencies in file operation classes,
improving maintainability.
- Eliminated feature flag dependencies from various components,
including tests, focusing on core functionality.
- **Tests**
- Removed tests related to feature flags, streamlining the testing
process for auto-commit and migration functionalities.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: brayn003 <rudra@appsmith.com>