Bug 1766497 - Remove early exit on Homebrew Python3.10 now that we're…

… using `venv` instead of `virtualenv` r=firefox-build-system-reviewers,nalexander

Depends on D158922

Differential Revision: https://phabricator.services.mozilla.com/D159196

mach

@@ -77,21 +77,6 @@ def main(args):
             """).strip())
         sys.exit(1)
 
-    if sys.version_info >= (3, 10) and sys.platform.startswith("darwin"):
-        version = f"{sys.version_info[0]}.{sys.version_info[1]}"
-        if f"python@{version}" in sys.executable:
-            print(dedent(f"""
-            You are using python {version} from homebrew.
-            There is a bug in virtualenv that prevents us from starting up mach in that situation.
-
-            Please uninstall it with the following and try again:
-              brew unlink python@{version}
-
-            If you need python {version} later, you can re-link it with:
-              brew link python@{version}
-            """).strip())
-            sys.exit(1)
-
     # XCode python sets __PYVENV_LAUNCHER__, which overrides the executable
     # used when a python subprocess is created. This is an issue when we want
     # to run using our virtualenv python executables.