Remove redundant details from local user accounts

[VMelnalksnis]

Changes proposed in this pull request:

• Remove email and phone number fields from registration forms
• Remove all pages related to email/phone number

[codecov]

Codecov Report

Attention: Patch coverage is 55.55556% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 69.73%. Comparing base (728aad3) to head (42417f5).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1204      +/-   ##
==========================================
+ Coverage   69.00%   69.73%   +0.72%     
==========================================
  Files         540      527      -13     
  Lines       13383    13136     -247     
  Branches     1134     1074      -60     
==========================================
- Hits         9235     9160      -75     
+ Misses       3791     3629     -162     
+ Partials      357      347      -10     

Components	Coverage Δ
API	75.61% <55.55%> (+1.52%)	⬆️
UI	61.62% <ø> (ø)