Revert D29892919: Add squid proxy as egress cache

Test Plan: revert-hammer

Differential Revision:
D29892919 (pytorch@e63160d)

Original commit changeset: ac17227f2553

fbshipit-source-id: b78313147d60f26c1df68a25293e6b571ba66919

Author: malfet

.github/templates/bazel_ci_workflow.yml.j2

@@ -60,7 +60,6 @@ name: Bazel Linux CI (!{{ build_environment }})
             -e CUSTOM_TEST_ARTIFACT_BUILD_DIR \
             -e SKIP_SCCACHE_INITIALIZATION=1 \
             -e TORCH_CUDA_ARCH_LIST \
-            -e http_proxy="$SQUID_PROXY" -e https_proxy="$SQUID_PROXY" \
             --env-file="/tmp/github_env_${GITHUB_RUN_ID}" \
             --security-opt seccomp=unconfined \
             --cap-add=SYS_PTRACE \
@@ -104,7 +103,6 @@ name: Bazel Linux CI (!{{ build_environment }})
             -e JOB_BASE_NAME \
             -e MAX_JOBS="$(nproc --ignore=2)" \
             -e SCCACHE_BUCKET \
-            -e http_proxy="$SQUID_PROXY" -e https_proxy="$SQUID_PROXY" \
             --env-file="/tmp/github_env_${GITHUB_RUN_ID}" \
             --security-opt seccomp=unconfined \
             --cap-add=SYS_PTRACE \

.github/templates/linux_ci_workflow.yml.j2

@@ -38,7 +38,6 @@ env:
   # Used for custom_opertor, jit_hooks, custom_backend, see .jenkins/pytorch/build.sh
   CUSTOM_TEST_ARTIFACT_BUILD_DIR: build/custom_test_artifacts
   ALPINE_IMAGE: "308535385114.dkr.ecr.us-east-1.amazonaws.com/tool/alpine"
-  SQUID_PROXY: "http://tf-lb-20210722035235925400000002-1698082088.us-east-1.elb.amazonaws.com:3128"
 
 concurrency:
   group: !{{ build_environment }}-${{ github.event.pull_request.number || github.sha }}
@@ -167,7 +166,6 @@ jobs:
             -e CUSTOM_TEST_ARTIFACT_BUILD_DIR \
             -e SKIP_SCCACHE_INITIALIZATION=1 \
             -e TORCH_CUDA_ARCH_LIST \
-            -e http_proxy="$SQUID_PROXY" -e https_proxy="$SQUID_PROXY" \
             --env-file="/tmp/github_env_${GITHUB_RUN_ID}" \
             --security-opt seccomp=unconfined \
             --cap-add=SYS_PTRACE \
@@ -344,7 +342,6 @@ jobs:
             -e NUM_TEST_SHARDS \
             -e MAX_JOBS="$(nproc --ignore=2)" \
             -e SCCACHE_BUCKET \
-            -e http_proxy="$SQUID_PROXY" -e https_proxy="$SQUID_PROXY" \
             --env-file="/tmp/github_env_${GITHUB_RUN_ID}" \
             --security-opt seccomp=unconfined \
             --cap-add=SYS_PTRACE \

.github/templates/windows_ci_workflow.yml.j2

@@ -36,7 +36,6 @@ env:
   VC_VERSION: ""
   VS_VERSION: "16.8.6"
   VC_YEAR: "2019"
-  SQUID_PROXY: "http://tf-lb-20210722035235925400000002-1698082088.us-east-1.elb.amazonaws.com:3128"
 {%- if cuda_version != "cpu" %}
   TORCH_CUDA_ARCH_LIST: "7.0"
   USE_CUDA: 1
@@ -65,8 +64,6 @@ jobs:
     needs: [!{{ ciflow_config.root_job_name }}]
     env:
       JOB_BASE_NAME: !{{ build_environment }}-build
-      http_proxy: ${{ env.SQUID_PROXY }}
-      https_proxy: ${{ env.SQUID_PROXY }}
     steps:
       - name: Checkout PyTorch
         uses: actions/checkout@v2
@@ -156,8 +153,6 @@ jobs:
       SHARD_NUMBER: ${{ matrix.shard }}
       NUM_TEST_SHARDS: ${{ matrix.num_shards }}
       TEST_CONFIG: ${{ matrix.config }}
-      http_proxy: ${{ env.SQUID_PROXY }}
-      https_proxy: ${{ env.SQUID_PROXY }}
     needs: [build, generate-test-matrix, !{{ ciflow_config.root_job_name }}]
     strategy:
       matrix: ${{ fromJson(needs.generate-test-matrix.outputs.matrix) }}