Remove `node::process_confirmed (...)` #2317

Job	Run time
macOS [UBSAN] [lmdb \| clang]	36m 46s
Linux [UBSAN] [lmdb \| clang]	39m 13s
macOS [ASAN] [lmdb \| clang]	36m 20s
Linux [ASAN] [lmdb \| clang]	39m 5s
macOS [TSAN] [lmdb \| clang]	33m 49s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	41m 7s
macOS [UBSAN] [rocksdb \| clang]	40m 31s
Linux [TSAN] [lmdb \| clang]	43m 46s
macOS [ASAN] [rocksdb \| clang]	39m 52s
Linux [LEAK] [lmdb \| clang] (Errors Ignored)	38m 34s
macOS [TSAN] [rocksdb \| clang]	1h 0m 13s
Linux [UBSAN] [rocksdb \| clang]	50m 42s
Linux [ASAN] [rocksdb \| clang]	54m 52s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	56m 30s
Linux [LEAK] [rocksdb \| clang] (Errors Ignored)	56m 49s
	11h 8m 9s

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