osmo-sgsn: no longer depend on libpcap

Since osmo-sgsn a801fba4d32825da044c3c713043e9e919a09fc6 the libcap
dependency is removed.

Change-Id: Ie1f6c313681077d72ef7f26cd3da280da13c5005
diff --git a/recipes-osmocom/osmo-sgsn/osmo-sgsn.inc b/recipes-osmocom/osmo-sgsn/osmo-sgsn.inc
index 25c6a25..84c4e41 100644
--- a/recipes-osmocom/osmo-sgsn/osmo-sgsn.inc
+++ b/recipes-osmocom/osmo-sgsn/osmo-sgsn.inc
@@ -3,7 +3,7 @@
 LICENSE = "AGPLv3"
 LIC_FILES_CHKSUM = "file://COPYING;md5=73f1eb20517c55bf9493b7dd6e480788"
 
-DEPENDS = "c-ares libpcap libosmocore libosmo-netif osmo-ggsn"
+DEPENDS = "c-ares libosmocore libosmo-netif osmo-ggsn"
 
 INC_PR="r4.${META_TELEPHONY_OSMO_INC}"