Unfriend tcp_channels #2360

Job	Run time
macOS [UBSAN] [lmdb \| clang]	10m 29s
Linux [UBSAN] [lmdb \| clang]	15m 52s
macOS [ASAN] [lmdb \| clang]	13m 2s
Linux [ASAN] [lmdb \| clang]	12m 19s
macOS [TSAN] [lmdb \| clang]	12m 46s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	12m 27s
macOS [UBSAN] [rocksdb \| clang]	12m 21s
Linux [TSAN] [lmdb \| clang]	12m 45s
macOS [ASAN] [rocksdb \| clang]	12m 19s
Linux [LEAK] [lmdb \| clang]	12m 28s
macOS [TSAN] [rocksdb \| clang]	11m 12s
Linux [UBSAN] [rocksdb \| clang]	12m 53s
Linux [ASAN] [rocksdb \| clang]	12m 32s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	15m 27s
Linux [LEAK] [rocksdb \| clang]	12m 50s
	3h 11m 42s

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