Revert "temp: disable auto-merge only for edx-platform (#505)"

This reverts commit 64e0716.

edx_repo_tools/repo_checks/repo_checks.py

@@ -174,10 +174,7 @@ def __init__(self, api: GhApi, org: str, repo: str):
         self.expected_settings = {
             "has_issues": True,
             "has_wiki": False,
-            # The goal is to have allow_auto_merge==True for all repos, but for now we need
-            # to turn it off for edx-platform due to some unresolved issues with its complex
-            # system of checks: https://github.com/openedx/axim-engineering/issues/1096
-            "allow_auto_merge": self.repo_name != "edx-platform",
+            "allow_auto_merge": True,
             "delete_branch_on_merge": True,
         }