Stop using package:intl, remove it from DEPS.

Change-Id: I7a6c036f7cd2c5ac64b0ab5a8b87bed1b9f34034
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/224660
Reviewed-by: Samuel Rawlins <srawlins@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>

.dart_tool/package_config.json

@@ -11,7 +11,7 @@
     "constraint, update this by running tools/generate_package_config.dart."
   ],
   "configVersion": 2,
-  "generated": "2021-12-10T17:31:54.553345",
+  "generated": "2021-12-16T12:51:36.232645",
   "generator": "tools/generate_package_config.dart",
   "packages": [
     {
@@ -371,12 +371,6 @@
       "packageUri": "lib/",
       "languageVersion": "2.12"
     },
-    {
-      "name": "intl",
-      "rootUri": "../third_party/pkg/intl",
-      "packageUri": "lib/",
-      "languageVersion": "2.11"
-    },
     {
       "name": "js",
       "rootUri": "../pkg/js",
@@ -817,4 +811,4 @@
       "languageVersion": "2.12"
     }
   ]
-}
+}