Removed unused Maven plugin

[freemanjp]

Avoid the need to keep updating it.

[codecov]

Codecov Report

Merging #74 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #74   +/-   ##
=========================================
  Coverage     99.74%   99.74%           
  Complexity      106      106           
=========================================
  Files            70       70           
  Lines           393      393           
  Branches         33       33           
=========================================
  Hits            392      392           
  Misses            1        1

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