Remove pkg:resource from .packages

Follow-up to a6fb77f02e277eaf34469243698b6b8cce0ae667

Change-Id: I44f43a65ccec601990beef3a910590045df3ddc0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/215988
Auto-Submit: Kevin Moore <kevmoo@google.com>
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
diff --git a/.packages b/.packages
index b24526d..568fa66 100644
--- a/.packages
+++ b/.packages
@@ -82,7 +82,6 @@
 protobuf:third_party/pkg/protobuf/protobuf/lib
 pub:third_party/pkg/pub/lib
 pub_semver:third_party/pkg/pub_semver/lib
-resource:third_party/pkg/resource/lib
 sdk_library_metadata:sdk/lib/_internal/sdk_library_metadata/lib
 shelf:third_party/pkg/shelf/lib
 shelf_packages_handler:third_party/pkg/shelf_packages_handler/lib