Unify developer-facing and user-facing short URLs

For any shortened URLs:

- Use goo.gle for Google Docs and chromium.org target URLs.
- Use g.co for everything else.

Bug: chromium:1321016
Change-Id: I09099dc62b92a14fa68d62155953262328476db2
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3613872
Reviewed-by: Benedikt Meurer <[email protected]>
Commit-Queue: Mathias Bynens <[email protected]>
Reviewed-by: Jack Franklin <[email protected]>
diff --git a/docs/design_guidelines.md b/docs/design_guidelines.md
index d917433..f0f35f7 100644
--- a/docs/design_guidelines.md
+++ b/docs/design_guidelines.md
@@ -81,7 +81,7 @@
 
 ### Where can I find a template for design documents?
 
-[Here](https://bit.ly/devtools-design-doc-template).
+[Here](https://goo.gle/devtools-design-doc-template).
 
 ### What if I made big changes to the design document?