Codacy changes

[darrynten]

Removed some unused code.

Reduced the complexity slightly.

[codecov]

Codecov Report

Merging #22 into dev will decrease coverage by 6.93%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##              dev      #22      +/-   ##
==========================================
- Coverage     100%   93.06%   -6.94%     
- Complexity    197      201       +4     
==========================================
  Files          24       24              
  Lines         523      562      +39     
==========================================
  Hits          523      523              
- Misses          0       39      +39

Impacted Files	Coverage Δ	Complexity Δ
src/Layers/Layer/TextLayer.php	99.31% <ø> (-0.69%)	49 <0> (ø)
src/Layers/Layer/GroupLayer.php	100% <100%> (ø)	7 <0> (ø)	⬇️
src/Layers/Layer/PlasmaLayer.php	33.33% <0%> (-66.67%)	2% <0%> (+1%)
src/Layers/Layer/RadialGradientLayer.php	58.62% <0%> (-41.38%)	10% <0%> (+1%)
src/Layers/Layer/PatternLayer.php	62.5% <0%> (-37.5%)	9% <0%> (+1%)
src/Filters/Filter/Standard/Blur/BlurFilter.php	72.22% <0%> (-27.78%)	6% <0%> (+1%)
src/Filters/Filter/Fred/FredBaseFilter.php	97.56% <0%> (-2.44%)	12% <0%> (ø)

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