Revert "chore(workflow): add step to setup Rust"

This reverts commit 4045f21.

Author: itsaky

.github/workflows/build.yml

@@ -65,10 +65,6 @@ jobs:
         run: chmod +x ./gradlew
       - name: Install dependencies
         run: $ATS_SUDO $ATS_APT_UPDATE && $ATS_SUDO $ATS_APT_UPGRADE && $ATS_SUDO $ATS_APT_INSTALL $ATS_APT_DEPS
-      - name: Install Rust
-        run: |
-          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs -o rustup-init.sh
-          sh rustup-init.sh -y
       - name: Restore cache
         uses: actions/cache@v4
         with:
@@ -116,10 +112,6 @@ jobs:
         run: chmod +x ./gradlew
       - name: Install dependencies
         run: $ATS_SUDO $ATS_APT_UPDATE && $ATS_SUDO $ATS_APT_UPGRADE && $ATS_SUDO $ATS_APT_INSTALL $ATS_APT_DEPS
-      - name: Install Rust
-        run: |
-          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs -o rustup-init.sh
-          sh rustup-init.sh -y
       - name: Restore cache
         uses: actions/cache@v4
         with:
@@ -165,10 +157,6 @@ jobs:
         run: chmod +x ./gradlew
       - name: Install dependencies
         run: $ATS_SUDO $ATS_APT_UPDATE && $ATS_SUDO $ATS_APT_UPGRADE && $ATS_SUDO $ATS_APT_INSTALL $ATS_APT_DEPS
-      - name: Install Rust
-        run: |
-          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs -o rustup-init.sh
-          sh rustup-init.sh -y
       - name: Restore cache
         uses: actions/cache@v4
         with:
@@ -224,10 +212,6 @@ jobs:
         run: chmod +x ./gradlew
       - name: Install dependencies
         run: $ATS_SUDO $ATS_APT_UPDATE && $ATS_SUDO $ATS_APT_UPGRADE && $ATS_SUDO $ATS_APT_INSTALL $ATS_APT_DEPS
-      - name: Install Rust
-        run: |
-          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs -o rustup-init.sh
-          sh rustup-init.sh -y
       - name: Restore cache
         uses: actions/cache@v4
         with: