chore(ci): remove space reclamation steps for GH runners

This commit removes the steps previously used to reclaim space on GH
runners. Since we have moved to self-hosted runners with more resources
available, these steps are no longer necessary

Signed-off-by: vprashar2929 <vibhu.sharma2929@gmail.com>

.github/workflows/pr-checks.yaml

@@ -134,7 +134,7 @@ jobs:
       KUBECONFIG: /tmp/.kube/config
       KIND_WORKER_NODES: 2
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-8-cores
     steps:
       - uses: actions/checkout@v3
         with:
@@ -165,7 +165,7 @@ jobs:
       - name: Run Operator Upgrade
         shell: bash
         run: |
-          ./tests/run-e2e.sh --ci
+          ./tests/run-e2e.sh
         env:
           VERSION: ${{ steps.version.outputs.version }}
 
@@ -224,18 +224,9 @@ jobs:
       - uses: ./.github/compute-version
         id: version
 
-      - name: reclaim space before running tests
-        run: |
-          sudo apt-get clean
-          sudo rm -rf /var/lib/apt/lists/*
-          sudo rm -rf /tmp/*
-          sudo rm -rf /opt/hostedtoolcache/CodeQL
-          sudo rm -rf /opt/hostedtoolcache/Python
-          df -kh
-
       - name: Run e2e tests
         run: |
-          ./tests/run-e2e.sh --ci --no-upgrade
+          ./tests/run-e2e.sh --no-upgrade
         env:
           VERSION: ${{ steps.version.outputs.version }}