Remove unused Azure pipeline trigger script (#156134)

## Summary
- delete `.circleci/scripts/trigger_azure_pipeline.py`

## Testing
- `python3 -m pip install flake8`
- `python3 -m flake8 .circleci/scripts`

------
https://chatgpt.com/codex/tasks/task_e_6850a55f530c83279036800308fb6871
Pull Request resolved: https://github.com/pytorch/pytorch/pull/156134
Approved by: https://github.com/izaitsevfb

.circleci/scripts/trigger_azure_pipeline.py

@@ -1,157 +0,0 @@
-# Documentation: https://docs.microsoft.com/en-us/rest/api/azure/devops/build/?view=azure-devops-rest-6.0
-
-import json
-import os
-import re
-import sys
-import time
-
-import requests
-
-
-AZURE_PIPELINE_BASE_URL = "https://aiinfra.visualstudio.com/PyTorch/"
-AZURE_DEVOPS_PAT_BASE64 = os.environ.get("AZURE_DEVOPS_PAT_BASE64_SECRET", "")
-PIPELINE_ID = "911"
-PROJECT_ID = "0628bce4-2d33-499e-bac5-530e12db160f"
-TARGET_BRANCH = os.environ.get("CIRCLE_BRANCH", "main")
-TARGET_COMMIT = os.environ.get("CIRCLE_SHA1", "")
-
-build_base_url = AZURE_PIPELINE_BASE_URL + "_apis/build/builds?api-version=6.0"
-
-s = requests.Session()
-s.headers.update({"Authorization": "Basic " + AZURE_DEVOPS_PAT_BASE64})
-
-
-def submit_build(pipeline_id, project_id, source_branch, source_version):
-    print("Submitting build for branch: " + source_branch)
-    print("Commit SHA1: ", source_version)
-
-    run_build_raw = s.post(
-        build_base_url,
-        json={
-            "definition": {"id": pipeline_id},
-            "project": {"id": project_id},
-            "sourceBranch": source_branch,
-            "sourceVersion": source_version,
-        },
-    )
-
-    try:
-        run_build_json = run_build_raw.json()
-    except json.decoder.JSONDecodeError as e:
-        print(e)
-        print(
-            "Failed to parse the response. Check if the Azure DevOps PAT is incorrect or expired."
-        )
-        sys.exit(-1)
-
-    build_id = run_build_json["id"]
-
-    print("Submitted bulid: " + str(build_id))
-    print("Bulid URL: " + run_build_json["url"])
-    return build_id
-
-
-def get_build(_id):
-    get_build_url = (
-        AZURE_PIPELINE_BASE_URL + f"/_apis/build/builds/{_id}?api-version=6.0"
-    )
-    get_build_raw = s.get(get_build_url)
-    return get_build_raw.json()
-
-
-def get_build_logs(_id):
-    get_build_logs_url = (
-        AZURE_PIPELINE_BASE_URL + f"/_apis/build/builds/{_id}/logs?api-version=6.0"
-    )
-    get_build_logs_raw = s.get(get_build_logs_url)
-    return get_build_logs_raw.json()
-
-
-def get_log_content(url):
-    resp = s.get(url)
-    return resp.text
-
-
-def wait_for_build(_id):
-    build_detail = get_build(_id)
-    build_status = build_detail["status"]
-
-    while build_status == "notStarted":
-        print("Waiting for run to start: " + str(_id))
-        sys.stdout.flush()
-        try:
-            build_detail = get_build(_id)
-            build_status = build_detail["status"]
-        except Exception as e:
-            print("Error getting build")
-            print(e)
-
-        time.sleep(30)
-
-    print("Bulid started: ", str(_id))
-
-    handled_logs = set()
-    while build_status == "inProgress":
-        try:
-            print("Waiting for log: " + str(_id))
-            logs = get_build_logs(_id)
-        except Exception as e:
-            print("Error fetching logs")
-            print(e)
-            time.sleep(30)
-            continue
-
-        for log in logs["value"]:
-            log_id = log["id"]
-            if log_id in handled_logs:
-                continue
-            handled_logs.add(log_id)
-            print("Fetching log: \n" + log["url"])
-            try:
-                log_content = get_log_content(log["url"])
-                print(log_content)
-            except Exception as e:
-                print("Error getting log content")
-                print(e)
-            sys.stdout.flush()
-        build_detail = get_build(_id)
-        build_status = build_detail["status"]
-        time.sleep(30)
-
-    build_result = build_detail["result"]
-
-    print("Bulid status: " + build_status)
-    print("Bulid result: " + build_result)
-
-    return build_status, build_result
-
-
-if __name__ == "__main__":
-    # Convert the branch name for Azure DevOps
-    match = re.search(r"pull/(\d+)", TARGET_BRANCH)
-    if match is not None:
-        pr_num = match.group(1)
-        SOURCE_BRANCH = f"refs/pull/{pr_num}/head"
-    else:
-        SOURCE_BRANCH = f"refs/heads/{TARGET_BRANCH}"
-
-    MAX_RETRY = 2
-    retry = MAX_RETRY
-
-    while retry > 0:
-        build_id = submit_build(PIPELINE_ID, PROJECT_ID, SOURCE_BRANCH, TARGET_COMMIT)
-        build_status, build_result = wait_for_build(build_id)
-
-        if build_result != "succeeded":
-            retry = retry - 1
-            if retry > 0:
-                print("Retrying... remaining attempt: " + str(retry))
-                # Wait a bit before retrying
-                time.sleep((MAX_RETRY - retry) * 120)
-                continue
-            else:
-                print("No more chance to retry. Giving up.")
-                sys.exit(-1)
-        else:
-            break