Remove Storage from copy command

[b0rt]

fixes #403

[codecov-io]

Codecov Report

Merging #404 into master will not change coverage.
The diff coverage is 0%.

@@            Coverage Diff            @@
##             master     #404   +/-   ##
=========================================
  Coverage     91.32%   91.32%           
  Complexity      204      204           
=========================================
  Files            10       10           
  Lines           519      519           
=========================================
  Hits            474      474           
  Misses           45       45

Impacted Files	Coverage Δ	Complexity Δ
src/Commands/GenerateDocumentation.php	94.69% <0%> (ø)	35 <0> (ø)	⬇️

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