Wireshark plugin: remove directory

wireshark-plugin-hp2101nw/AUTHORS

wireshark-plugin-hp2101nw/CMakeLists.txt

wireshark-plugin-hp2101nw/COPYING

wireshark-plugin-hp2101nw/ChangeLog

wireshark-plugin-hp2101nw/INSTALL

wireshark-plugin-hp2101nw/NEWS

wireshark-plugin-hp2101nw/README

wireshark-plugin-hp2101nw/cmake/FindGLIB2.cmake

wireshark-plugin-hp2101nw/cmake/FindWireshark.cmake

wireshark-plugin-hp2101nw/cmake/UseMakeDissectorReg.cmake

wireshark-plugin-hp2101nw/moduleinfo.h

wireshark-plugin-hp2101nw/packet-hp2101nw.c

wireshark-plugin-hp2101nw/tools/make-dissector-reg

wireshark-plugin-hp2101nw/tools/make-dissector-reg.py