Remove bundled, unmaintained libmng source codev5.12.0-beta2

[ChangeLog][Third-Party Code] The unmaintained bundled libmng has been
removed. Building the mng handler will require libmng to be present as
a system or external library.

Change-Id: I4a4805fa3f3088b5d581b92bfeabba7978bac5f7
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 0 insertions, 27 deletions

diff --git a/src/3rdparty/libmng/makefiles/README b/src/3rdparty/libmng/makefiles/README
deleted file mode 100644
index 63faaaf..0000000
--- a/src/3rdparty/libmng/makefiles/README
+++ /dev/null
@@ -1,27 +0,0 @@
-For conditions of distribution and use, see copyright notice in libmng.h
-or the file LICENSE in the top-level directory of the source distribution.
-
-This directory hosts the makefiles for a number of supported platforms.
-
-If you're using a system with POSIX shell capabilities, you can use the
-'configure' script in the top-level directory, or generate it by running
-'autogen.sh' if you have the necessary tools installed.
-
-Otherwise, copy the module for your environment (or the closest thing)
-into the libmng source-directory and change it to your needs. If you
-create a new file for a platform not on the list send it to me (gerard @
-libmng.com) and I'll be happy to include it in the next release!
-
-
-Current files:
-
-makefile.bcb3 - Borland C++ Builder
-makefile.vcwin32 - Microsoft Visual C++
-makefile.unix - generic Unix
-makefile.linux - Linux ELF (builds shared library)
-makefile.dj - DJGPP
-makefile.mingw - builds a static library for mingw32
-makefile.mingwdll - builds a dynamic library for mingw32
-makefile.irix - builds a static library for SGI/IRIX (6.5.21)
-
-Makefile.am, configure.in and acinclude.m4 (if present) - automake/autoconf source