Remove Old Wireshark Dissectors

Remove the two old Wireshark plugins.  They do not build and are
superseded by the dissector which is inside Wireshark.

Signed-Off-By: Kevin Cox <kevincox@kevincox.ca>
Merge pull request #2266 from kevincox/removewirehsark

Remove Old Wireshark Dissectors

Reviewed-by: Sage Weil <sage@redhat.com>