Cleanup strand binding in socket class #1470

Job	Run time
Linux [UBSAN] [lmdb \| clang]	36m 56s
Linux [ASAN] [lmdb \| clang]	36m 47s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	30m 33s
macOS [UBSAN] [lmdb \| clang]	40m 53s
Linux [TSAN] [lmdb \| clang] (Errors Ignored)	17m 52s
macOS [ASAN] [lmdb \| clang]	32m 48s
Linux [LEAK] [lmdb \| clang] (Errors Ignored)	15m 37s
Linux [UBSAN] [rocksdb \| clang]	47m 2s
macOS [TSAN] [lmdb \| clang] (Errors Ignored)	33m 9s
Linux [ASAN] [rocksdb \| clang]	52m 21s
macOS [UBSAN] [rocksdb \| clang]	45m 37s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	29m 38s
macOS [ASAN] [rocksdb \| clang]	43m 31s
macOS [TSAN] [rocksdb \| clang] (Errors Ignored)	52m 18s
Linux [TSAN] [rocksdb \| clang] (Errors Ignored)	17m 41s
Linux [LEAK] [rocksdb \| clang] (Errors Ignored)	45m 44s
	9h 38m 27s

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