Remove support for Goerli

[khalifaa55]

Changes:

• Remove support for Goerli from Sedge

Types of changes

What types of changes does your code introduce? Put an x in the boxes that apply

• [ ] Bugfix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] Documentation Update
• [ ] Code style update (formatting, renaming)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [x] Other (please describe): removing feature

Testing

Requires testing

• [x] Yes
• [ ] No

In case you checked yes, did you write tests?

• [x] Yes
• [ ] No

Comments about testing , should you have some (optional) adjusted network_test.go : TestNetworkCheck function

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.59%. Comparing base (4d41a7d) to head (5e2d90d).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #372   +/-   ##
========================================
  Coverage    86.59%   86.59%           
========================================
  Files           78       78           
  Lines         3977     3977           
========================================
  Hits          3444     3444           
  Misses         448      448           
  Partials        85       85           

Flag	Coverage Δ
unittests	86.59% <100.00%> (ø)

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