Removing the right bar in user portal

[aashimawadhwa]

Is your feature request related to a problem? Please describe.
Removing the right bar (member and event shortcuts) in user portal and ensuring correct behavior of event and members in navbar when any organization is selected

screenshots

Additional context
NA

Potential internship candidates
Please read this if you are planning to apply for a Palisadoes Foundation internship PalisadoesFoundation/talawa#359

[adi790uu]

would like to work on this

[PriyeshPandey2000]

hello i want to dive deep in the codebase can you assign this to me so that i can understand the codebase even better @aashimawadhwa