Remove unused session-fix-confirmation component

[Arif-Khalid]

Summary:

Fixes part of #72

Type of change:

• 🎨 Code Refactoring

Changes Made:

• Removed session-fix-confirmation component. This component was used to confirm creating a new repo for users which is a functionality from CATcher not used in WATcher

Proposed Commit Message:

Remove unused session-fix-confirmation component in WATcher.

This is a component only used in CATcher.

Unnecessary components contributes to code clutter and hurts understandability
of code base.

Let's remove this unused component from WATcher to increase code cleanliness.

Checklist:

• I have tested my changes thoroughly.
• I have created tests for any new code files created in this PR or provided a link to a issue/PR that addresses this.
• I have added or modified code comments to improve code readability where necessary.
• I have updated the project's documentation as necessary.

[cheehongw]

LGTM