Custom lll linter #976

Job	Run time
check commits	9m 2s
RPC and mobile compilation check	1m 25s
Sqlc check	5m 15s
cross compilation	1m 33s
lint code	50s
sample configuration check	3m 32s
run unit tests (btcd unit-cover)	19m 38s
run unit tests (unit tags="kvdb_etcd")	4m 7s
run unit tests (unit tags="kvdb_postgres")	20m 18s
check pinned dependencies (google.golang.org/grpc v1.59.0)	3s
run unit tests (unit tags="kvdb_sqlite")	19m 6s
run unit tests (btcd unit-race)	40m 31s
check pinned dependencies (github.com/golang/protobuf v1.5.3)	8s
run unit tests (unit-module)	3m 40s
run macOS itest	51m 30s
run ubuntu itests (btcd, backend=btcd cover=1)	35m 40s
run windows itest	6m 18s
run ubuntu itests (bitcoind, backend=bitcoind cover=1)	42m 9s
run ubuntu itests (bitcoind-notxindex, backend="bitcoind notxindex")	39m 57s
run ubuntu itests (bitcoind-rpcpolling, backend="bitcoind rpcpolling" cover=1)	42m 22s
check release notes updated	3s
run ubuntu itests (bitcoind-etcd, backend=bitcoind dbbackend=etcd)	1m 18s
run ubuntu itests (bitcoind-postgres, backend=bitcoind dbbackend=postgres)	1h 12m 36s
run ubuntu itests (bitcoind-sqlite, backend=bitcoind dbbackend=sqlite)	43m 17s
run ubuntu itests (bitcoind-postgres-nativesql, backend=bitcoind dbbackend=postgres nativesql=true)	1h 12m 57s
run ubuntu itests (bitcoind-sqlite-nativesql, backend=bitcoind dbbackend=sqlite nativesql=true)	42m 43s
run ubuntu itests (neutrino, backend=neutrino cover=1)	39m 34s
finish	4s
	10h 19m 36s

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