[release/7.0] HttpStress do not use SYS_PTRACE cap for docker runs (#77125)

* remove SYS_PTRACE

* emulate process crash

* Revert "remove SYS_PTRACE"

This reverts commit 8cdfad5.

* remove all cap_add: SYS_PTRACE

* Revert "emulate process crash"

This reverts commit 48bfd4a.

Co-authored-by: Anton Firszov <antonfir@gmail.com>

Author: github-actions[bot]

src/libraries/System.Net.Http/tests/StressTests/HttpStress/docker-compose.yml

@@ -7,8 +7,6 @@ services:
     image: httpstress
     volumes:
       - "${CLIENT_DUMPS_SHARE}:${DUMPS_SHARE_MOUNT_ROOT}"
-    cap_add:
-      - SYS_PTRACE
     links:
       - server
     environment:
@@ -20,8 +18,6 @@ services:
     image: httpstress
     volumes:
       - "${SERVER_DUMPS_SHARE}:${DUMPS_SHARE_MOUNT_ROOT}"
-    cap_add:
-      - SYS_PTRACE
     ports:
       - "5001:5001"
     environment: