Removed chat and skills link

[samagragupta]

Fixes #450

Checklist

• [x] I have read the Contribution & Best practices Guide and my PR follows them.
• [x] My branch is up-to-date with the Upstream master branch.
• [ ] The unit tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)
• [ ] All the functions created/modified in this PR contain relevant docstrings.

Changes proposed in this pull request:

The links of Chat and Skills are removed from here. As it looks crowded. These links could be found when we right click on the extension.

[samagragupta]

@ms10398 Resolved the conflicts.

[samagragupta]

@rajvaibhavdubey By removing it, the chat bot looks more simple and less crowded. Also these can be easily accessed by right click on the extension.