Port the rust fix to core24 (infra) (#1242)

Port the rust fix to core24

checkbox-core-snap/series24/snap/snapcraft.yaml

@@ -61,10 +61,6 @@ slots:
     read:
       - /
 
-package-repositories:
-  - type: apt
-    ppa: checkbox-dev/stable
-
 parts:
   version-calculator:
     plugin: dump
@@ -434,27 +430,9 @@ parts:
   gnome-randr:
     source: https://github.com/maxwellainatchi/gnome-randr-rust.git
     plugin: rust
+    rust-channel: nightly
     build-packages:
       - libdbus-1-dev
-    after: [rust-deps]
-################################################################################
-  rust-deps:
-    plugin: nil
-    build-packages:
-      - wget
-    override-pull: |
-      # Do not use rustup to work around https://forum.snapcraft.io/t/armhf-builds-on-launchpad-timing-out/31008
-      REQUIRED_RUST_VERSION=nightly
-      ROOT=https://static.rust-lang.org/dist/rust-$REQUIRED_RUST_VERSION
-      if [ $CRAFT_TARGET_ARCH = "amd64" ]; then
-        BINARIES_SUFFIX=x86_64-unknown-linux-gnu
-      elif [ $CRAFT_TARGET_ARCH = "armhf" ]; then
-        BINARIES_SUFFIX=armv7-unknown-linux-gnueabihf
-      elif [ $CRAFT_TARGET_ARCH = "arm64" ]; then
-        BINARIES_SUFFIX=aarch64-unknown-linux-gnu
-      fi
-      wget -O - $ROOT-$BINARIES_SUFFIX.tar.gz | tar -x -z --strip-components=1
-      ./install.sh --prefix=/usr --destdir=$CRAFT_STAGE
 ################################################################################
   rpi-support-binaries:
     plugin: nil