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, 67 deletions

diff --git a/src/3rdparty/libmng/makefiles/makefile.unix b/src/3rdparty/libmng/makefiles/makefile.unix
deleted file mode 100644
index 4d3fd97..0000000
--- a/src/3rdparty/libmng/makefiles/makefile.unix
+++ /dev/null
@@ -1,67 +0,0 @@
-#
-# For conditions of distribution and use, see copyright notice in libmng.h
-#
-# makefile for libmng - THE MNG library
-# this makefile is suitable for generic unix
-
-# Configuration options are now in libmng_conf.h
-
-# The name of your C compiler:
-CC= cc
-
-# Location of jpeg header files
-JPEG_INC= /cs/include/jpeg
-
-# Location of zlib header files
-ZLIB_INC= /cs/include
-
-# Location of lcms header files
-# (switch on MNG_FULL_CMS in libmng_conf.h if you want to use this)
-LCMS_INC= /ltmp/lcms-1.06/source
-
-# compiler options:
-CFLAGS= -O -I. -I$(ZLIB_INC) -I$(JPEG_INC) -I$(LCMS_INC)
-
-# source files
-SOURCES= \
-	 libmng_callback_xs.c \
-	 libmng_chunk_io.c \
-	 libmng_chunk_descr.c \
-	 libmng_chunk_prc.c \
-	 libmng_chunk_xs.c \
-	 libmng_cms.c \
-	 libmng_display.c \
-	 libmng_dither.c \
-	 libmng_error.c \
-	 libmng_filter.c \
-	 libmng_hlapi.c \
-	 libmng_jpeg.c \
-	 libmng_object_prc.c \
-	 libmng_pixels.c \
-	 libmng_prop_xs.c \
-	 libmng_read.c \
-	 libmng_trace.c \
-	 libmng_write.c \
-	 libmng_zlib.c
-
-# object files
-OBJECTS= $(SOURCES:%.c=%.o)
-
-# type dependancies
-.c.o:
-	$(CC) $(CFLAGS) -c $<
-
-all: libmng.a
-
-clean:
-	/bin/rm -f $(OBJECTS)
-	/bin/rm -f libmng.a
-	/bin/rm -f *~ core
-
-libmng.a: $(OBJECTS)
-	ar r libmng.a $(OBJECTS)
-
-depend:
-	makedepend -- $(CFLAGS) $(IFLAGS) -- *.c
-
-# DO NOT DELETE