ci: remove nextest archive (#164)

Removing the nextest archive steps from the CI because it is taking a
lot of time to download.

From latest ci runs downloading take 17min.

---------

Co-authored-by: Ahmad Kaouk <56095276+ahmadkaouk@users.noreply.github.com>

.github/workflows/task-rust-tests.yml

@@ -1,9 +1,7 @@
 # Rust Tests: CI for Rust components (DataHaven runtime and node Rust tests)
 #
 # Overview:
-# 1. Prepare: This job handles the setup phase where the cargo nextest archive is created
-#    and uploaded to the workflow for use in the subsequent jobs
-# 2. All Rust Tests: Executes the full suite of Rust tests across two partitions to
+# All Rust Tests: Executes the full suite of Rust tests across two partitions to
 #    to reduce total execution time.
 
 name: DataHaven Operator Rust Tests
@@ -13,15 +11,19 @@ on:
   workflow_call:
 
 jobs:
-
-  prepare:
-    name: Prepare artifacts for Rust tests
+  all-rust-tests:
+    name: Run all Operator Rust tests (/w partitioning)
     runs-on:
       group: DH-runners
+    strategy:
+      fail-fast: false
+      matrix:
+        partition: [1, 2]
     env:
       RUSTC_WRAPPER: "sccache"
       CARGO_INCREMENTAL: "0"
       CARGO_TERM_COLOR: always
+      RUSTFLAGS: "-C linker=clang -C link-arg=-fuse-ld=mold"
       SCCACHE_GHA_ENABLED: "true"
     defaults:
       run:
@@ -29,17 +31,13 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with:
-          submodules: recursive
-          fetch-depth: 0
+          ref: ${{ github.event.pull_request.head.sha }}
       - uses: ./.github/workflows/actions/setup-env
         with:
           cache-key: "TEST"
           install-deps: false
-      
       - name: Set build flags
         run: echo "RUSTFLAGS=${{ env.RUSTFLAGS }} -C linker=clang -C link-arg=-fuse-ld=mold" >> $GITHUB_ENV
-      
-      # Cleanup-runner skipped on self-hosted runners (bare-metal manages disk space externally)
       - name: Install nextest
         run: |
           if ! command -v cargo-nextest &> /dev/null; then
@@ -48,46 +46,9 @@ jobs:
           else
             echo "cargo-nextest is already installed: $(cargo-nextest --version)"
           fi
-      - name: Build and archive tests
-        run: cargo nextest archive --archive-file nextest-archive.tar.zst
-      - name: Upload archive to workflow
-        uses: actions/upload-artifact@v4
-        with:
-          name: nextest-archive
-          path: ./operator/nextest-archive.tar.zst
-
-  all-rust-tests:
-    name: Run all Operator Rust tests (/w partitioning)
-    needs: [prepare]
-    runs-on:
-      group: DH-runners
-    strategy:
-      fail-fast: false
-      matrix:
-        partition: [1, 2]
-    defaults:
-      run:
-        working-directory: ./operator
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-      - name: Install nextest
-        run: |
-          if ! command -v cargo-nextest &> /dev/null; then
-            echo "Installing cargo-nextest version 0.9.100"
-            cargo install cargo-nextest --version 0.9.100 --locked
-          else
-            echo "cargo-nextest is already installed: $(cargo-nextest --version)"
-          fi
-      - name: Download archive
-        uses: actions/download-artifact@v4
-        with:
-          name: nextest-archive
       - name: Run Tests for All Projects!
         run: |
           ~/.cargo/bin/cargo-nextest nextest run \
-            --archive-file ../nextest-archive.tar.zst \
             --partition count:${{ matrix.partition }}/2
 
   tests-result-checker:
@@ -96,10 +57,6 @@ jobs:
     runs-on:
       group: DH-runners
     steps:
-      - name: Cleanup test artifacts
-        uses: geekyeggo/delete-artifact@v5
-        with:
-          name: nextest-archive
       - name: Validate test results
         run: |
           echo "matrix result: ${{ needs.all-rust-tests.result }}"