remove unused reportPlugin variable #1857

Job	Run time
Run plugin functional tests on Linux	21m 29s
Run functional tests on Linux (ciGroup1)	1h 29m 18s
Build and Verify on Linux (ciGroup1)	33m 48s
Build min release artifacts on Linux x64	17m 37s
Run functional tests on Linux (ciGroup2)	29m 20s
Build and Verify on Linux (ciGroup2)	14m 0s
Build min release artifacts on Linux ARM64	17m 31s
Lint and validate	7m 56s
Run functional tests on Linux (ciGroup4)	36m 24s
Build and Verify on Linux (ciGroup3)	24m 23s
Build and Verify on Linux (ciGroup4)	20m 26s
Run functional tests on Linux (ciGroup6)	17m 53s
Run functional tests on Linux (ciGroup7)	25m 36s
Run functional tests on Linux (ciGroup8)	26m 58s
Run functional tests on Linux (ciGroup9)	23m 39s
Run functional tests on Linux (ciGroup10)	28m 18s
Run functional tests on Linux (ciGroup11)	36m 18s
Run functional tests on Linux (ciGroup13)	15m 59s
Run backwards compatibility tests (osd-2.0.0)	1m 37s
Run backwards compatibility tests (osd-2.1.0)	1m 40s
Run backwards compatibility tests (osd-2.2.0)	1m 33s
Run backwards compatibility tests (osd-2.3.0)	2m 16s
Run backwards compatibility tests (osd-2.4.0)	1m 42s
Run backwards compatibility tests (osd-2.5.0)	1m 35s
Run backwards compatibility tests (osd-2.6.0)	1m 34s
Run backwards compatibility tests (osd-2.7.0)	1m 36s
Run backwards compatibility tests (osd-2.8.0)	2m 1s
Run backwards compatibility tests (osd-2.9.0)	1m 34s
	8h 24m 1s

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