Wall street and technical writing section removed

[LalitSharma7]

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Did you read the instructions in README ?

Yes

Solves which issue ?

Fixes #376

Give discription.

There were two button for technical writing and wall street project in issues section. One button removed for each project

Checklist

(To mark the checkboxes use x within the box brackets)

• [x] Signed the code of conduct.

• [x] Have you added yourself to the participants.

• [x] Joined opencode zulip server.

[LalitSharma7]

Here is the live link :- https://rattlecode17sh.github.io/Opencode-Collaborative-19/

@ananya-agrawal points not assigned for this issue

[LalitSharma7]

@prateek76 please review

[LalitSharma7]

@ananya-agrawal please review