Do not download cargo (#2173)

It does not always work (e.g. macOS
has several architectures but there is only one download), it is
complex code, and we have a proper way to install it through
CMake cf
https://github.com/AOMediaCodec/libavif/blob/c21943e1e07ced29a22d1a59b0c4748e00b84c67/cmake/Modules/LocalRav1e.cmake#L49

.github/workflows/ci-disable-gtest.yml

@@ -51,12 +51,6 @@ jobs:
       run: |
         sudo apt update
         sudo apt install imagemagick libjpeg-turbo8-dev libpng-dev
-    - name: Install cargo-c
-      env:
-        LINK: https://github.com/lu-zero/cargo-c/releases/latest/download
-        CARGO_C_FILE: cargo-c-x86_64-unknown-linux-musl.tar.gz
-      run: |
-        curl -L $LINK/$CARGO_C_FILE | tar xz -C ~/.cargo/bin
     - name: Cache external dependencies
       id: cache-ext
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2

.github/workflows/ci-linux-static-old-local.yml

@@ -44,12 +44,6 @@ jobs:
       run: |
         sudo apt update
         sudo apt install imagemagick libjpeg-turbo8-dev libpng-dev
-    - name: Install cargo-c (linux)
-      env:
-        LINK: https://github.com/lu-zero/cargo-c/releases/latest/download
-        CARGO_C_FILE: cargo-c-x86_64-unknown-linux-musl.tar.gz
-      run: |
-        curl -L $LINK/$CARGO_C_FILE | tar xz -C ~/.cargo/bin
     - name: Cache external dependencies
       id: cache-ext
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2

.github/workflows/ci-unix-static-av2.yml

@@ -45,12 +45,6 @@ jobs:
       run: |
         sudo apt update
         sudo apt install imagemagick libjpeg-turbo8-dev libpng-dev 
-    - name: Install cargo-c
-      env:
-        LINK: https://github.com/lu-zero/cargo-c/releases/latest/download
-        CARGO_C_FILE: cargo-c-x86_64-unknown-linux-musl.tar.gz
-      run: |
-        curl -L $LINK/$CARGO_C_FILE | tar xz -C ~/.cargo/bin
     - name: Cache external dependencies
       id: cache-ext
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2

.github/workflows/ci-unix-static.yml

@@ -50,22 +50,6 @@ jobs:
     - name: Install dependencies (macOS)
       if: runner.os == 'macOS'
       run: brew install imagemagick
-    - name: Install cargo-c (linux)
-      if: runner.os == 'Linux'
-      env:
-        LINK: https://github.com/lu-zero/cargo-c/releases/latest/download
-        CARGO_C_FILE: cargo-c-x86_64-unknown-linux-musl.tar.gz
-      run: |
-        curl -L $LINK/$CARGO_C_FILE | tar xz -C ~/.cargo/bin
-    - name: Install cargo-c (mac)
-      if: matrix.os == 'macos-latest'
-      env:
-        LINK: https://github.com/lu-zero/cargo-c/releases/latest/download
-        CARGO_C_FILE: cargo-c-macos.zip
-      run: |
-        curl -sLo $CARGO_C_FILE $LINK/$CARGO_C_FILE
-        unzip -o $CARGO_C_FILE -d ~/.cargo/bin
-        rm $CARGO_C_FILE
     - name: Cache external dependencies
       id: cache-ext
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2

.github/workflows/ci-windows.yml

@@ -56,12 +56,6 @@ jobs:
       with:
         path: ext, build/_deps
         key: ${{ runner.os }}-${{ hashFiles('cmake/Modules/*', 'ext/*.cmd', 'ext/*.sh') }}-alldeps
-    - name: Install cargo-c
-      run: |
-        $LINK = "https://github.com/lu-zero/cargo-c/releases/latest/download"
-        $CARGO_C_FILE = "cargo-c-windows-msvc"
-        curl -LO "$LINK/$CARGO_C_FILE.zip"
-        7z e -y "$CARGO_C_FILE.zip" -o"${env:USERPROFILE}\.cargo\bin"
     - name: Print cmake version
       run: cmake --version
     - uses: ilammy/setup-nasm@13cbeb366c45c4379d3478cdcbadd8295feb5028 # v1.5.1