Remove not needed usages of useEffect

[acelaya]

No description provided.

[github-actions]

Preview environment

https://shlinkio.github.io/shlink-web-client/feature/avoid-side-effects/

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 11 lines in your changes missing coverage. Please review.

Project coverage is 79.11%. Comparing base (94890da) to head (7825f76).
Report is 5 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/servers/ManageServers.tsx	45.45%	0 Missing and 6 partials ⚠️
src/servers/helpers/ServerForm.tsx	25.00%	0 Missing and 3 partials ⚠️
src/servers/CreateServer.tsx	71.42%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1339      +/-   ##
===========================================
- Coverage    79.13%   79.11%   -0.03%     
===========================================
  Files           49       49              
  Lines         1275     1264      -11     
  Branches       244      242       -2     
===========================================
- Hits          1009     1000       -9     
  Misses          23       23              
+ Partials       243      241       -2     

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