Remove erroneous "NativeStreams" feature

In https://chromium-review.googlesource.com/c/1445632 I accidentally
added a Blink features named "NativeStreams". It was never used. Remove
it.

BUG=902633

Change-Id: Ia3390f8942f98b1fff442b7169ede5f65c299670
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1676384
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Commit-Queue: Adam Rice <ricea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672434}
1 file changed