Deprecate the exporters and related artifacts #793

Job	Run time
Stylecheck (root)	57s
Test (root, java-11)	4m 8s
Test (examples/instrumentation-quickstart, java-11)	49s
Stylecheck (examples/instrumentation-quickstart)	48s
Shadow Jar Build (Java 11)	2m 28s
	9m 10s

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