Disabling the inital implementation of Account Linking

[katendejericho5]

Summary of Changes (What does this PR do?)

• I have removed the current account linking functionality

Status of maturity (all need to be checked before merging):

• I've tested this locally
• I consider this code done
• This change ready to hit production in its current state
• The title of the PR states what changed and the related issues number (used for the release note).
• I've included issue number in the "Closes #ISSUE-NUMBER" part of the "What are the relevant tickets?" section to link the issue.
• I've updated corresponding documentation for the changes in this PR.
• I have written unit and/or e2e tests for my change(s).

How should this be manually tested?

• Please include the steps to be done inorder to setup and test this PR.

What are the relevant tickets?

• Closes #
• Jira_card_number (If exists)

Screenshots (optional)

[codecov]

Codecov Report

Attention: Patch coverage is 4.76190% with 40 lines in your changes are missing coverage. Please review.

Project coverage is 7.90%. Comparing base (a42919e) to head (2371947).
Report is 20 commits behind head on staging.

Files	Patch %	Lines
mobile/lib/screens/home_page.dart	0.00%	22 Missing ⚠️
...mail_authentication/email_verification_screen.dart	0.00%	9 Missing ⚠️
mobile/lib/screens/profile/profile_widgets.dart	28.57%	5 Missing ⚠️
mobile/lib/screens/profile/profile_edit_page.dart	0.00%	3 Missing ⚠️
mobile/lib/screens/profile/profile_view.dart	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           staging   #2001       +/-   ##
===========================================
- Coverage    37.33%   7.90%   -29.44%     
===========================================
  Files           59     165      +106     
  Lines          616   11772    +11156     
  Branches       121       0      -121     
===========================================
+ Hits           230     930      +700     
- Misses         367   10842    +10475     
+ Partials        19       0       -19     

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