remove almost all solana-sdk usage from solana-stake-program (#4447) #8816

Job	Run time
android (ubuntu-20.04, x86_64-linux-android)	2m 19s
android (ubuntu-20.04, aarch64-linux-android)	2m 42s
ios (macos-13, aarch64-apple-ios)	4m 11s
android (ubuntu-20.04, i686-linux-android)	2m 35s
android (ubuntu-20.04, armv7-linux-androideabi)	2m 46s
ios (macos-13, x86_64-apple-ios)	3m 56s
ios (macos-13, aarch64-apple-darwin)	5m 17s
ios (macos-13, x86_64-apple-darwin)	3m 19s
error_reporting	0s
	27m 5s

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