contrib/libs/libpcap: generate bison headers by the means of ya.make

ac109264a78f20e65d62068d51cb06c22ab43847

build/sysincl/unsorted.yml

@@ -464,7 +464,6 @@
   - md2.h
   - md4.h
   - mp.h
-  - pcap-int.h
   - sys/_iovec.h
   - sys/_null.h
   - sys/_pthreadtypes.h