-delete all set of in descriptions of rule classes

[Arrgentum]

No description provided.

[codecov]

Codecov Report

Merging #1273 (aaccd53) into master (d575c3f) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #1273      +/-   ##
============================================
- Coverage     82.37%   82.36%   -0.02%     
  Complexity     2550     2550              
============================================
  Files           105      105              
  Lines          7207     7202       -5     
  Branches       2020     2020              
============================================
- Hits           5937     5932       -5     
  Misses          351      351              
  Partials        919      919              

Flag	Coverage Δ
unittests	82.36% <100.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ktat/ruleset/rules/chapter2/kdoc/KdocFormatting.kt	84.11% <ø> (ø)
...tat/ruleset/rules/chapter3/BlockStructureBraces.kt	85.50% <ø> (ø)
...at/ruleset/rules/chapter3/ConsecutiveSpacesRule.kt	93.54% <ø> (ø)
...fn/diktat/ruleset/rules/chapter3/EnumsSeparated.kt	97.87% <ø> (ø)
...org/cqfn/diktat/ruleset/rules/chapter3/SortRule.kt	88.65% <ø> (ø)
...tat/ruleset/rules/chapter3/files/BlankLinesRule.kt	96.66% <ø> (ø)
.../ruleset/rules/chapter3/files/FileStructureRule.kt	83.15% <ø> (ø)
.../ruleset/rules/chapter3/files/TopLevelOrderRule.kt	96.07% <ø> (ø)
...diktat/ruleset/rules/chapter2/kdoc/KdocComments.kt	87.70% <100.00%> (-0.07%)	⬇️
.../diktat/ruleset/rules/chapter2/kdoc/KdocMethods.kt	86.16% <100.00%> (-0.09%)	⬇️
... and 3 more

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[petertrr]

LGTM, but please add a more descriptive commit message when squashing