Bug 1729414 - Remove the wgpu docker image. r=taskgraph-reviewers,bhearsum

Bug 1726626 removed its only use.

Differential Revision: https://phabricator.services.mozilla.com/D124737

taskcluster/ci/docker-image/kind.yml

@@ -214,9 +214,6 @@ jobs:
     webrender:
         symbol: I(webrender)
         parent: debian10-base
-    wgpu:
-        symbol: I(wgpu)
-        parent: debian10-base
     condprof:
         symbol: I(condprof)
         parent: ubuntu1804-test

taskcluster/docker/wgpu/Dockerfile

@@ -1,15 +0,0 @@
-FROM $DOCKER_IMAGE_PARENT
-MAINTAINER Dzmitry Malyshau <dmalyshau@mozilla.com>
-
-VOLUME /builds/worker/checkouts
-VOLUME /builds/worker/workspace
-VOLUME /builds/worker/tooltool-cache
-
-ADD system-setup.sh /setup/system-setup.sh
-RUN bash /setup/system-setup.sh
-
-# We need this to install cargo-vendor as part of the wgpu-deps task
-RUN apt-get install libssl-dev
-
-# Set a default command useful for debugging
-CMD ["/bin/bash", "--login"]

taskcluster/docker/wgpu/system-setup.sh

@@ -1,11 +0,0 @@
-apt-get -y update
-apt-get install -y \
-	bzip2 \
-	cmake \
-	curl \
-	gcc \
-	git \
-	g++ \
-	libx11-dev \
-	pkg-config \
-	software-properties-common