Extract pruning class #2586

Job	Run time
macOS [UBSAN] [lmdb \| clang]	33m 14s
Linux [UBSAN] [lmdb \| clang]	40m 44s
macOS [ASAN] [lmdb \| clang]	28m 8s
Linux [ASAN] [lmdb \| clang]	39m 23s
macOS [TSAN] [lmdb \| clang]	34m 50s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	40m 25s
macOS [UBSAN] [rocksdb \| clang]	40m 53s
Linux [TSAN] [lmdb \| clang]	43m 46s
macOS [ASAN] [rocksdb \| clang]	39m 27s
Linux [LEAK] [lmdb \| clang]	41m 51s
macOS [TSAN] [rocksdb \| clang]	52m 26s
Linux [UBSAN] [rocksdb \| clang]	47m 19s
Linux [ASAN] [rocksdb \| clang]	55m 50s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	55m 19s
Linux [LEAK] [rocksdb \| clang]	53m 22s
	10h 46m 57s

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