fn: Remove ctx from GoroutineManager constructor #16899

Job	Run time
lint code	7m 14s
RPC and mobile compilation check	3m 33s
check commits	8m 22s
check pinned dependencies (google.golang.org/grpc v1.59.0)	6s
cross compilation	31m 33s
check pinned dependencies (github.com/golang/protobuf v1.5.3)	4s
sample configuration check	1m 47s
Sqlc check	2m 49s
run unit tests (btcd unit-cover)	19m 31s
run macOS itest	50m 27s
run unit tests (unit tags="kvdb_etcd")	20m 29s
check release notes updated	7s
run unit tests (unit tags="kvdb_postgres")	19m 44s
run unit tests (unit tags="kvdb_sqlite")	18m 19s
run windows itest	6m 39s
run unit tests (btcd unit-race)	40m 1s
run ubuntu itests (btcd, backend=btcd cover=1)	32m 22s
run unit tests (unit-module)	1m 5s
run ubuntu itests (bitcoind, backend=bitcoind cover=1)	40m 40s
run ubuntu itests (bitcoind-notxindex, backend="bitcoind notxindex")	39m 46s
run ubuntu itests (bitcoind-rpcpolling, backend="bitcoind rpcpolling" cover=1)	41m 45s
run ubuntu itests (bitcoind-etcd, backend=bitcoind dbbackend=etcd)	54m 46s
run ubuntu itests (bitcoind-postgres, backend=bitcoind dbbackend=postgres)	1h 9m 37s
run ubuntu itests (bitcoind-sqlite, backend=bitcoind dbbackend=sqlite)	42m 12s
run ubuntu itests (bitcoind-postgres-nativesql, backend=bitcoind dbbackend=postgres nativesql=true)	1h 12m 40s
run ubuntu itests (bitcoind-sqlite-nativesql, backend=bitcoind dbbackend=sqlite nativesql=true)	43m 3s
run ubuntu itests (neutrino, backend=neutrino cover=1)	38m 59s
finish	2s
	11h 47m 42s

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