controller/hearth: decreased indent level in setApplicationHealth

[proggga]

#hacktoberfest

found a place where we can decrease indent level and simplified code

[codecov]

Codecov Report

Base: 45.85% // Head: 45.84% // Decreases project coverage by -0.00% ⚠️

Coverage data is based on head (4ee6c6c) compared to base (a7e8d97).
Patch coverage: 84.61% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #10980      +/-   ##
==========================================
- Coverage   45.85%   45.84%   -0.01%     
==========================================
  Files         237      237              
  Lines       28727    28728       +1     
==========================================
- Hits        13172    13171       -1     
- Misses      13742    13743       +1     
- Partials     1813     1814       +1     

Impacted Files	Coverage Δ
controller/health.go	88.88% <84.61%> (-5.40%)	⬇️

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[crenshaw-dev]

I dig it. Thanks @proggga!