Port twbs#19958 to v3

https://webkit.org/b/144696 has been fixed

Remove its entry from the Wall of Browser Bugs
Refs twbs#16372

[skip sauce]

Author: cvrebert

docs/_data/browser-bugs.yml

@@ -212,14 +212,6 @@
   browser: >
     Safari
   summary: >
-    `width: 1%` on nested table cell causes its table to hog horizontal space.
-  upstream_bug: >
-    WebKit#144696, Safari#20839572
-  origin: >
-    Bootstrap#16372
-
--
-  browser: >
     Safari (OS X)
   summary: >
     Weird button behavior with some `<input type="number">` elements.