Take out the KML statement after the first use of the acronym

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We spell out KML in the document multiple times.

Expected Behavior

We need only to say this once per component. This needs to be said in the first topic of the components documentation in which the feature is mentioned.

Current Behavior

Steps to Reproduce (for bugs)

Your Environment

• Addin Version used:
• Environment name and version (e.g. ArcMap 10.3, Pro 1.4):
• Operating System and version (desktop or mobile):
• Link to your project/test data (if applicable):