Revert "add qnn test template job (#7636)"

This reverts commit b818062.

Author: zingo

.github/workflows/pull.yml

@@ -395,25 +395,6 @@ jobs:
         # Test llama2
         PYTHON_EXECUTABLE=python bash .ci/scripts/test_llama.sh -model stories110M -build_tool "${BUILD_TOOL}" -mode "${MODE}" -dtype "${DTYPE}" -pt2e_quantize "${PT2E_QUANTIZE}"
 
-  test-qnn-models-linux:
-    name: test-qnn-models-linux
-    uses: pytorch/test-infra/.github/workflows/linux_job.yml@main
-    strategy:
-      fail-fast: false
-    with:
-      runner: linux.2xlarge
-      docker-image: executorch-ubuntu-22.04-qnn-sdk
-      submodules: 'true'
-      ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
-      timeout: 180
-      script: |
-        # The generic Linux job chooses to use base env, not the one setup by the image
-        CONDA_ENV=$(conda env list --json | jq -r ".envs | .[-1]")
-        conda activate "${CONDA_ENV}"
-
-        # placeholder for running test_qnn_delegate.py, can use matrix such that we can trigger different jobs, refers to test-llama-runner-qnn-linux
-        # reminder: make sure each job runs fast
-
   test-phi-3-mini-runner-linux:
     name: test-phi-3-mini-runner-linux
     uses: pytorch/test-infra/.github/workflows/linux_job.yml@main