chore(examples): Remove unused dependency #3655

Job	Run time
codegen	19s
clippy	1m 15s
check-external-types	38s
check (ubuntu-latest)	3m 6s
cargo-deny check	21s
check (macOS-latest)	3m 48s
Interop Tests (ubuntu-latest)	44s
check (windows-latest)	6m 46s
Interop Tests (macOS-latest)	1m 16s
Check MSRV	1m 21s
rustfmt	10s
Interop Tests (windows-latest)	3m 24s
semver	1m 5s
test (ubuntu-latest)	3m 19s
Check unused dependencies	4m 58s
test (macOS-latest)	3m 12s
test (windows-latest)	6m 41s
	42m 23s

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