CI: remove unnecessary rust-toolchain

.github/workflows/CICD.yml

@@ -861,7 +861,6 @@ jobs:
     - uses: actions/checkout@v7
       with:
         persist-credentials: false
-    - uses: dtolnay/rust-toolchain@stable
     - uses: taiki-e/install-action@nextest
     - uses: Swatinem/rust-cache@v2
     - name: Run sccache-cache
@@ -919,7 +918,6 @@ jobs:
     - uses: actions/checkout@v7
       with:
         persist-credentials: false
-    - uses: dtolnay/rust-toolchain@stable
     - uses: taiki-e/install-action@nextest
     - uses: Swatinem/rust-cache@v2
     - name: Run sccache-cache
@@ -1003,7 +1001,6 @@ jobs:
     - uses: actions/checkout@v7.0.1
       with:
         persist-credentials: false
-    - uses: dtolnay/rust-toolchain@stable
     - uses: Swatinem/rust-cache@v2
     - name: Build SELinux utilities as stubs
       run: cargo build -p uu_chcon -p uu_runcon
@@ -1025,7 +1022,6 @@ jobs:
     - uses: actions/checkout@v7.0.1
       with:
         persist-credentials: false
-    - uses: dtolnay/rust-toolchain@stable
     - uses: Swatinem/rust-cache@v2
     - name: Install strace and libselinux headers (needed to build chcon)
       run: sudo apt-get update && sudo apt-get install -y strace libselinux1-dev
@@ -1043,7 +1039,6 @@ jobs:
     - uses: actions/checkout@v7.0.1
       with:
         persist-credentials: false
-    - uses: dtolnay/rust-toolchain@stable
     - uses: Swatinem/rust-cache@v2
     - name: Install fakeroot
       run: sudo apt-get update && sudo apt-get install -y fakeroot
@@ -1061,7 +1056,6 @@ jobs:
     - uses: actions/checkout@v7.0.1
       with:
         persist-credentials: false
-    - uses: dtolnay/rust-toolchain@stable
     - uses: Swatinem/rust-cache@v2
     - name: Install strace
       run: sudo apt-get update && sudo apt-get install -y strace

.github/workflows/benchmarks.yml

@@ -73,8 +73,6 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: dtolnay/rust-toolchain@stable
-
       - uses: Swatinem/rust-cache@v2
 
       - name: Run sccache-cache

.github/workflows/code-quality.yml

@@ -250,12 +250,6 @@ jobs:
         with:
           persist-credentials: false
 
-      - name: Setup Rust toolchain
-        uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: stable
-          components: rustfmt, clippy
-
       - name: Cache Rust dependencies
         uses: Swatinem/rust-cache@v2
 

.github/workflows/copilot-code-review.yml

@@ -20,5 +20,4 @@ jobs:
       - uses: actions/checkout@v7.0.1
         with:
           persist-credentials: false
-      - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2

.github/workflows/documentation.yml

@@ -35,9 +35,6 @@ jobs:
         shell: bash
         run: sudo apt-get -y update ; sudo apt-get -y install libselinux1-dev libsystemd-dev libacl1-dev libattr1-dev libcap-dev
 
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-
       - name: Download tldr
         run: curl -L https://github.com/tldr-pages/tldr/releases/latest/download/tldr.zip -o docs/tldr.zip
 

.github/workflows/manpage-lint.yml

@@ -46,9 +46,6 @@ jobs:
           sudo apt-get install -y mandoc locales-all
           sudo apt-get install -y libselinux1-dev libsystemd-dev libacl1-dev libattr1-dev libcap-dev
 
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-
       - name: Build manpages (${{ matrix.locale }})
         run: |
           # Create temporary directory for manpages