Remove library tags, they aren't needed

Remove library tags, they aren't needed
(with one exception: libs that have parts)

R=rnystrom@google.com

Committed: https://github.com/dart-lang/dev_compiler/commit/56cbbf67d400d03ac6aab6aa8359229f7a33fdd3

[Jennifer Messerly, 2016-01-28 00:59:40]

Patchset #1 (id:1) has been deleted

[Jennifer Messerly, 2016-01-28 00:59:57]

Description was changed from

==========
Remove library tags, they aren't needed
==========

to

==========
Remove library tags, they aren't needed
(with one exception: libs that have parts)
==========

[Jennifer Messerly, 2016-01-28 00:59:57]

jmesserly@google.com changed reviewers:
+ rnystrom@google.com, vsm@google.com

[Jennifer Messerly, 2016-01-28 01:02:02]

https://codereview.chromium.org/1644823002/diff/20001/test/codegen/expect/col...
File test/codegen/expect/collection/src/unmodifiable_wrappers.txt (right):

https://codereview.chromium.org/1644823002/diff/20001/test/codegen/expect/col...
test/codegen/expect/collection/src/unmodifiable_wrappers.txt:2: severe:
[AnalyzerMessage] Missing concrete implementation of 'Iterable.expand' and
'Iterable.map' (package:collection/src/unmodifiable_wrappers.dart, line 33, col
7)
(there's obviously a HashMap going on in Analyzer somewhere, as this has been
jumping around every CL for a while. I'll see if I can fix it.)

[Bob Nystrom, 2016-01-28 17:07:06]

LGTM!!!

[Jennifer Messerly, 2016-01-29 17:25:38]

Description was changed from

==========
Remove library tags, they aren't needed
(with one exception: libs that have parts)
==========

to

==========
Remove library tags, they aren't needed
(with one exception: libs that have parts)

R=rnystrom@google.com

Committed:
https://github.com/dart-lang/dev_compiler/commit/56cbbf67d400d03ac6aab6aa8359...
==========

[Jennifer Messerly, 2016-01-29 17:25:39]

Committed patchset #1 (id:20001) manually as
56cbbf67d400d03ac6aab6aa8359229f7a33fdd3 (presubmit successful).