chore: remove py37 builds

Author: narendasan

.circleci/config.yml

@@ -810,7 +810,7 @@ jobs:
                 command: |
                   cd ~/project/py/
                   cp ~/project/toolchains/ci_workspaces/WORKSPACE.x86_64.release.rhel ~/project/WORKSPACE
-                  docker run -it --rm --gpus all -v ~/project:/workspace/project torch_tensorrt_release_env /bin/bash -c "source /workspace/project/py/ci/build_whl.sh && $(circleci tests split --total=5 ~/project/py/ci/build_manifest.txt)"
+                  docker run -it --rm --gpus all -v ~/project:/workspace/project torch_tensorrt_release_env /bin/bash -c "source /workspace/project/py/ci/build_whl.sh && $(circleci tests split --total=4 ~/project/py/ci/build_manifest.txt)"
             - run:
                 name: Collect packages
                 command: |

py/ci/build_manifest.txt

@@ -1,4 +1,3 @@
-py37
 py38
 py39
 py310