[sdk docs] Remove import duplication for dapp-kit sui client provider… #75946

Job	Run time
diff	7s
license-check	1m 11s
move-auto-formatter-ci-test	0s
test	0s
test-extra	0s
simtest	0s
test (ubuntu-ghcloud)	1s
test (windows-ghcloud)	2s
windows-build	0s
cargo-deny (advisories, licenses, bans, ...)	0s
clippy	0s
move-test	0s
rustfmt	0s
cutting a new execution layer	0s
test-extra (ubuntu-ghcloud)	1s
test-extra (windows-ghcloud)	4s
	1m 26s

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