Terms and conditions optimization

[coutinho21]

Closes #848

Review checklist

• Terms and conditions reflect the current change
• Contains enough appropriate tests
• If aimed at production, writes a new summary in whatsnew/whatsnew-pt-PT
• Properly adds an entry in changelog.md with the change
• If PR includes UI updates/additions, its description has screenshots
• Behavior is as expected
• Clean, well-structured code

[codecov]

Codecov Report

Merging #987 (8e29c1a) into develop (6edba2d) will increase coverage by 1%.
Report is 2 commits behind head on develop.
The diff coverage is n/a.

Additional details and impacted files

@@          Coverage Diff           @@
##           develop   #987   +/-   ##
======================================
+ Coverage       16%    16%   +1%     
======================================
  Files          207    207           
  Lines         6487   6483    -4     
======================================
  Hits          1004   1004           
+ Misses        5483   5479    -4     

[bdmendes]

I've removed a useless test file and this is ready to go.