cocci: remove action check as we no longer use macros

qa/coccinelle/Makefile.am

@@ -1,5 +1,4 @@
 EXTRA_DIST= access-pkt-packet.cocci \
-    action-pkt.cocci \
     banned-functions.cocci \
     direct-packet.cocci \
     malloc-error-check.cocci \

qa/coccinelle/action-pkt.cocci

@@ -1,15 +0,0 @@
-@action@
-typedef Packet;
-Packet *p;
-position p1;
-@@
-
-p->action@p1
-
-@ script:python @
-p1 << action.p1;
-@@
-
-print("Invalid usage of p->action, please use macro at %s:%s" % (p1[0].file, p1[0].line))
-import sys
-sys.exit(1)