remove pr auditor (#832) #1979

Job	Run time
Docker CLI tests (ubuntu-latest)	8m 7s
Tests (ubuntu-latest, 21)	8m 31s
Tests (ubuntu-latest, 8)	20m 57s
Tests (ubuntu-latest, 11)	19m 52s
bazel_aspect	3m 12s
bazel	1m 31s
Tests (ubuntu-latest, 17)	14m 7s
check	5m 1s
Maven tests (11)	3m 0s
Maven tests (17)	2m 52s
Maven tests (8)	2m 54s
Maven tests (21)	3m 5s
	1h 33m 9s

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