freedreno/ir3: Drop hack to clean up split vars

When the GS lowering was working on store_output intrinsics, we had to
clean up the split vars to avoid getting confused.  Now that we shadow
the output vars instead, there's no confusion and we can drop this
hack.
32 jobs for !4796 with fix-gs-lowering
detached
Status Job ID Name Coverage
  Container
passed #2488579
aarch64 manual
arm_build

00:00:21

passed #2488580
aarch64 manual
arm_test

00:00:20

manual #2488581
windows shell 1809 mesa manual
windows_build_vs2019
manual #2488575
manual
x86_build
manual #2488578
manual
x86_build_old
manual #2488576
manual
x86_test-gl
manual #2488577
manual
x86_test-vk
 
  Meson X86 64
created #2488585
meson-clang
created #2488584
meson-classic
created #2488586
meson-clover
created #2488587
meson-clover-old-llvm
created #2488583
meson-gallium
created #2488582
meson-testing
created #2488588
meson-vulkan
 
  Scons
created #2488589
allowed to fail
scons-win64
 
  Meson Misc
passed #2488591
aarch64
meson-arm64

00:07:05

passed #2488592
aarch64
meson-arm64-build-test

00:07:12

passed #2488590
aarch64
meson-armhf

00:07:37

created #2488594
meson-i386
created #2488597
meson-mingw32-x86_64
created #2488596
kvm
meson-ppc64el
created #2488595
kvm
meson-s390x
created #2488593
windows docker 1809 mesa
meson-windows-vs2019
 
  Freedreno
passed #2488602
google-freedreno-db410c
arm64_a306_gles2

00:10:20

passed #2488603
google-freedreno-db410c
arm64_a306_gles3

00:07:46

passed #2488604
google-freedreno-db820c
arm64_a530_gles2

00:11:01

passed #2488605
google-freedreno-db820c
arm64_a530_gles3

00:18:10

passed #2488606
google-freedreno-db820c
arm64_a530_gles31

00:12:20

passed #2488598
mesa-cheza
arm64_a630_gles2

00:01:32

passed #2488600
mesa-cheza
arm64_a630_gles3

00:06:19

passed #2488599
mesa-cheza
arm64_a630_gles31

00:04:22

passed #2488601
mesa-cheza
arm64_a630_gles31_options

00:03:05