rpcserver: Make sure the arguments are provided when calling `DeleteAllPayments` RPC [TEST && LINTING] #27

Job	Run time
lint code	3m 34s
Sqlc check	41s
check commits	1m 38s
cross compilation	12m 8s
check pinned dependencies (google.golang.org/grpc v1.59.0)	4s
RPC and mobile compilation check	2m 17s
check pinned dependencies (github.com/golang/protobuf v1.5.3)	4s
sample configuration check	46s
run unit tests (btcd unit-cover)	14m 46s
check release notes updated	3s
run unit tests (unit tags="kvdb_etcd")	19m 22s
run unit tests (unit tags="kvdb_postgres")	18m 2s
run unit tests (unit tags="kvdb_sqlite")	17m 5s
run windows itest	1h 0m 4s
run ubuntu itests (btcd, backend=btcd)	41m 20s
run unit tests (btcd unit-race)	34m 21s
run ubuntu itests (bitcoind, backend=bitcoind)	53m 15s
run unit tests (unit-module)	2m 0s
run ubuntu itests (bitcoind-notxindex, backend="bitcoind notxindex")	53m 19s
run macOS itest	59m 55s
run ubuntu itests (bitcoind-rpcpolling, backend="bitcoind rpcpolling")	52m 36s
run ubuntu itests (bitcoind-etcd, backend=bitcoind dbbackend=etcd)	1h 10m 28s
run ubuntu itests (bitcoind-postgres, backend=bitcoind dbbackend=postgres)	1h 24m 57s
run ubuntu itests (bitcoind-sqlite, backend=bitcoind dbbackend=sqlite)	54m 52s
run ubuntu itests (bitcoind-postgres-nativesql, backend=bitcoind dbbackend=postgres nativesql=true)	1h 24m 51s
run ubuntu itests (bitcoind-sqlite-nativesql, backend=bitcoind dbbackend=sqlite nativesql=true)	54m 21s
run ubuntu itests (neutrino, backend=neutrino)	50m 30s
	14h 7m 19s

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