Issue: refactor(permissions): Deprecate permissions from permission info API response

The permissions in the permission info API are not being used and should be removed.

Resolution: <think>
PR Context:
- Title: refactor(permissions): Remove permissions field from permission info API response
- Merged: 2024-10-22T10:15:42Z
- Files changed: 4 files
- Commits: 1 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [x] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
The permissions in the permission info API are not being used and this PR will remove them.

This will help the future PRs which will introduce new kind of Permissions.

### Additional Changes

- [x] This PR modifies the API contract
- 
</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** refactor(permissions): Remove permissions field from permission info API response (#6376)
Files to modify:


**crates/api_models/src/user_role.rs**
  Remove:
    - struct: pub::PermissionInfo
    - enum: pub::Permission

**crates/router/src/services/authorization/info.rs**
  Remove:
    - function: pub::get_permission_info_from_permissions

**crates/router/src/services/authorization/permissions.rs**
  Remove:
    - function: pub::get_permission_description
    - impl: impl Permission

**crates/router/src/utils/user_role.rs**
  Remove:
    - function: private::from
    - impl: impl From<Permission> for user_role_api::Permission