Do not report joins #1250

Job	Run time
suites	3s
build	4m 21s
ct (hpr_packet_router_service_SUITE.erl)	3m 14s
ct (hpr_metrics_SUITE.erl)	3m 11s
ct (hpr_packet_reporter_SUITE.erl)	3m 6s
ct (hpr_grpc_load_SUITE.erl)	2m 53s
ct (hpr_protocol_router_SUITE.erl)	4m 12s
ct (hpr_protocol_http_roaming_packet_SUITE.erl)	3m 46s
ct (hpr_protocol_gwmp_SUITE.erl)	3m 39s
ct (hpr_route_stream_worker_SUITE.erl)	3m 26s
dialyzer	5m 36s
ct (hpr_routing_SUITE.erl)	4m 4s
xref	1m 20s
eunit	2m 10s
release	1m 32s
	46m 33s

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