Don't remove the common processes from the procstats.resetSafely

As we're resetting it right after that, it doesn't make sense to
explicitly remove it.

Bug: 233563626
Test: atest ProcStatsValidationTests
Test: atest ProcessStatsDumpsysTest
Test: atest CtsIncidentHostTestCases:ProcStatsProtoTest
Change-Id: Ibd12379a7678a60238af79f86e694e1dc3c97176