Fix doc for Kustomize deploy: path option

[kdkeyser]

The option to specify the path of the kustomization.yaml file, has been renamed from kustomizePath to path. Modify the docs to reflect this.

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[kdkeyser]

Signed the CLA

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[codecov-io]

Codecov Report

Merging #1527 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1527   +/-   ##
=======================================
  Coverage   45.18%   45.18%           
=======================================
  Files         115      115           
  Lines        4791     4791           
=======================================
  Hits         2165     2165           
  Misses       2401     2401           
  Partials      225      225

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