Revert "Use antlr4 as allowed package (#5147)" (#5148)

This reverts commit 696afdc. As is not
required

Author: atalman

s3_management/manage.py

@@ -46,7 +46,7 @@
     "aiohttp",
     "aiosignal",
     "antlr4_python3_runtime",
-    "antlr4",
+    "antlr4-python3-runtime",
     "attrs",
     "blobfile",
     "datasets",