change(ci): Remove duplicate CI jobs for getblocktemplate-rpcs #46

Job	Run time
Install zebrad from lockfile without cache on ubuntu-latest	4m 4s
Test stable on ubuntu-latest	4m 7s
Test beta on ubuntu-latest	4m 4s
Check deny.toml bans	1m 18s
Check Cargo.lock is up to date	1m 54s
Check deny.toml bans --features default-release-binaries	42s
Check for unused dependencies	22s
Check deny.toml bans --all-features	46s
Check deny.toml sources	34s
Check deny.toml sources --features default-release-binaries	33s
Check deny.toml sources --all-features	36s
Open or update issues for OS integration failures	1s
	19m 1s

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