Revert "feat(policy-template): adding cloudwatch:describeAlarmHistory…

[ShreyaGangishetty]

… policy (#1264)"

This reverts commit 7f3c203.

Issue #, if available:

Description of changes:

Description of how you validated changes:

Checklist:

• Write/update tests
• make pr passes
• Update documentation
• Verify transformed template deploys and application functions as expected
• Add/update example to examples/2016-10-31

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-io]

Codecov Report

Merging #1307 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1307   +/-   ##
=======================================
  Coverage   94.59%   94.59%           
=======================================
  Files          77       77           
  Lines        4129     4129           
  Branches      815      815           
=======================================
  Hits         3906     3906           
  Misses        108      108           
  Partials      115      115

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