Remove ffmpeg-altivec-build.patch again.

osc build with qemu did not complete; and real build completed but failed to link.

OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/ffmpeg-4?expand=0&rev=124

ffmpeg-4.changes

@@ -16,7 +16,6 @@ Wed Jun 17 16:32:04 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
   ffmpeg4_swscale_fix_altivec_vsx_recent_gcc.patch,
   929e5159bc13da374b83f5627879c607acce180b.patch
   (merged)
-- Add ffmpeg-altivec-build.patch
 
 -------------------------------------------------------------------
 Fri Jun  5 16:21:42 UTC 2020 - Bjørn Lie <bjorn.lie@gmail.com>

ffmpeg-4.spec

@@ -111,7 +111,6 @@ Patch1:         ffmpeg-arm6l.diff
 Patch2:         ffmpeg-new-coder-errors.diff
 Patch3:         ffmpeg-codec-choice.diff
 Patch4:         ffmpeg-4.2-dlopen-fdk_aac.patch
-Patch5:         ffmpeg-altivec-build.patch
 BuildRequires:  ladspa-devel
 BuildRequires:  libgsm-devel
 BuildRequires:  libmp3lame-devel

ffmpeg-altivec-build.patch

@@ -1,27 +0,0 @@
-From: Jan Engelhardt <jengelh@inai.de>
-Date: 2020-06-18 00:40:03.633300733 +0200
-
-The standard ppc64 build tries to compile yuv2rgb_altivec, but this fails
-because -mvsx is not in use.
-
-libswscale/ppc/yuv2rgb_altivec.c: In function 'altivec_yuv2_abgr':
-libswscale/ppc/yuv2rgb_altivec.c:338:18: error: implicit declaration of function 'vec_xl'; did you mean 'vec_rl'? [-Werror=implicit-funct
-ion-declaration]
-  338 |             y0 = vec_xl(0, y1i);                                              \
-libswscale/ppc/yuv2rgb_altivec.c:338:18: error: incompatible types when assigning to type '__vector unsigned char' {aka '__vector(16) unsigned char'} from type 'int'
-  338 |             y0 = vec_xl(0, y1i);                                              \
-
----
- libswscale/ppc/Makefile |    2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-Index: ffmpeg-4.3/libswscale/ppc/Makefile
-===================================================================
---- ffmpeg-4.3.orig/libswscale/ppc/Makefile
-+++ ffmpeg-4.3/libswscale/ppc/Makefile
-@@ -1,4 +1,4 @@
--OBJS += ppc/swscale_altivec.o                                           \
-+VSX-OBJS += ppc/swscale_altivec.o                                           \
-         ppc/yuv2rgb_altivec.o                                           \
-         ppc/yuv2yuv_altivec.o                                           \
-         ppc/swscale_vsx.o