imgui: delete demo file

Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
10 jobs for !928 with imgui-demo in 13 minutes and 40 seconds (queued for 2 minutes and 15 seconds)
detached
Status Name Job ID Coverage
  Containers Build
passed debian #310320

00:00:22

 
  Build+Test
passed meson-clang #310322

00:13:16

passed meson-clover #310326

00:07:36

passed meson-main #310325

00:07:54

passed meson-swr-glvnd #310321

00:02:05

passed meson-vulkan #310327

00:02:28

passed scons-llvm #310329

00:03:21

passed scons-nollvm #310328

00:02:06

passed scons-swr #310323

00:07:39

passed scons-win64 #310324

00:06:13