ci: Shrink container/rootfs sizes.

Cutting the extra VK mustpass files is 315MB out of 1.5GB of the amd64
rootfs.  pip was 10MB.  The rustup toolchains were massive (over a GB
IIRC) on the x86 container images.

Hopefully helps with #5837

Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14460>

.gitlab-ci/container/build-deqp.sh

@@ -68,7 +68,11 @@ cp /deqp/executor/testlog-to-* /deqp/executor.save
 rm -rf /deqp/executor
 mv /deqp/executor.save /deqp/executor
 
+# Remove other mustpass files, since we saved off the ones we wanted to conventient locations above.
 rm -rf /deqp/external/openglcts/modules/gl_cts/data/mustpass
+rm -rf /deqp/external/vulkancts/modules/vulkan/vk-master*
+rm -rf /deqp/external/vulkancts/modules/vulkan/vk-default
+
 rm -rf /deqp/external/openglcts/modules/cts-runner
 rm -rf /deqp/modules/internal
 rm -rf /deqp/execserver

.gitlab-ci/container/create-rootfs.sh

@@ -150,6 +150,8 @@ rm -rf usr/sbin/update-usbids
 rm -rf var/lib/usbutils/usb.ids
 rm -rf usr/share/misc/usb.ids
 
+rm -rf /root/.pip
+
 #######################################################################
 # Crush into a minimal production image to be deployed via some type of image
 # updating system.

.gitlab-ci/container/debian/x86_test-gl.sh

@@ -84,6 +84,7 @@ apt-get install -y --no-remove \
 . .gitlab-ci/container/build-rust.sh
 . .gitlab-ci/container/build-crosvm.sh
 rm -rf /root/.cargo
+rm -rf /root/.rustup
 
 ############### Build kernel
 

.gitlab-ci/container/lava_build.sh

@@ -174,6 +174,7 @@ EXTRA_MESON_ARGS+=" -D prefix=/libdrm"
 
 ############### Delete rust, since the tests won't be compiling anything.
 rm -rf /root/.cargo
+rm -rf /root/.rustup
 
 ############### Create rootfs
 set +e