add arwing and strivermini, remove unnecessary airframes #844

Job	Run time
fc_matrix (saluki-pi_bootloader) / build	4m 23s
fc_matrix (pixhawk) / build	9m 1s
fc_matrix (saluki-pi_amp) / build	9m 1s
fc_matrix (saluki-pi_default) / build	8m 11s
fc_matrix (saluki-pi_protected) / build	8m 58s
fc_matrix (saluki-v2_amp) / build	10m 8s
fc_matrix (saluki-v2_default) / build	8m 29s
fc_matrix (saluki-v2_bootloader) / build	5m 29s
fc_matrix (saluki-v2_kernel) / build	11m 17s
fc_matrix (saluki-v2_protected) / build	10m 24s
fc_matrix (saluki-v3_amp) / build	9m 41s
fc_matrix (saluki-v3_default) / build	8m 10s
build px4fwupdater	2m 8s
upload builds to UAE artifactory	1m 10s
upload builds to artifactory	51s
upload px4fwupdater to docker registry	43s
upload px4fwupdater to UAE docker registry	1m 7s
	1h 49m 11s

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