Update community sync page

[pratyakshsharma]

Important Read

• Please ensure the GitHub issue is mentioned at the beginning of the PR

What is the purpose of the pull request

Remove upcoming community syncs from the page. It is difficult to keep it updated with time and users can always check the calendar for upcoming meetings.

Brief change log

• Updated community/sync.md

Verify this pull request

(Please pick either of the following options)

This pull request is a trivial rework / code cleanup without any test coverage.

(or)

This pull request is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

(example:)

• Added integration tests for end-to-end.
• Added TestConversionController to verify the change.
• Manually verified the change by running a job locally.

[pratyakshsharma]

@the-other-tim-brown can we assign someone to review this? I am still new to xtable community and not sure about the review process here.

[the-other-tim-brown]

Thanks @pratyakshsharma , I have reviewed and merged the PR.