Revert "go: Define a bytePool for TRichTransport" #1622

Job	Run time
compiler (ubuntu-20.04)	2m 57s
compiler (ubuntu-22.04)	2m 4s
lib-go (1.21)	1m 34s
lib-php (7.1)	1m 10s
lib-go (1.22)	1m 54s
lib-swift	1m 1s
lib-java-kotlin	4m 43s
lib-php (7.2)	1m 12s
lib-php (7.3)	1m 12s
lib-python (3.x)	1m 58s
lib-php (7.4)	56s
lib-rust	3m 19s
lib-php (8)	1m 6s
lib-php (8.1)	1m 0s
lib-php (8.2)	1m 5s
lib-php (8.3)	1m 2s
cross-test (java, java,kotlin)	1m 31s
cross-test (java, go,rs)	1m 21s
cross-test (java, swift)	49s
cross-test (kotlin, java,kotlin)	31s
cross-test (kotlin, go,rs)	27s
cross-test (kotlin, swift)	30s
cross-test (go, java,kotlin)	49s
cross-test (go, go,rs)	1m 13s
cross-test (go, swift)	53s
cross-test (rs, java,kotlin)	43s
cross-test (rs, go,rs)	1m 2s
cross-test (rs, swift)	49s
cross-test (swift, java,kotlin)	48s
cross-test (swift, go,rs)	1m 24s
cross-test (swift, swift)	26s
	41m 29s

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