Problem: MAINTAINERS file has no purpose anymore

Solution:
Remove until such time that a new and appropriate file can replace it should
it be deemed necessary.

CMakeLists.txt

@@ -548,7 +548,6 @@ set (public_headers include/zmq.h
 set (readme-docs AUTHORS
                 COPYING
                 COPYING.LESSER
-                MAINTAINERS
                 NEWS)
 
 #-----------------------------------------------------------------------------

MAINTAINERS

-Component: Atomic Operations
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: Lock-free Algorithms
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: TCP transport
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: IPC transport
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: PGM transport
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: In-process transport
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: I/O Threads
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: Application Threads and Differnet Socket Types
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: Multiplexing (zmq_poll)
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: Generic Infrastructure (context, mailbox, command, pipe)
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: Documentation
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: Autotools build system
-Maintainer: Mikko Koppanen
-Contact: mikko.koppanen@gmail.com
-
-Component: MSVC build system
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-
-Component: Performance tests
-Maintainer: Martin Sustrik
-Contact: sustrik@250bpm.com
-

Makefile.am

@@ -762,7 +762,6 @@ EXTRA_DIST = \
 	CMakeLists.txt \
 	autogen.sh	\
 	version.sh	\
-	MAINTAINERS	\
 	src/libzmq.pc.cmake.in \
 	src/libzmq.vers \
 	tools/curve_keygen.cpp