Remove fixed bugs from Wall of Browser Bugs (#23159)

* https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/817822/
* https://bugs.chromium.org/p/chromium/issues/detail?id=465274
* https://bugs.chromium.org/p/chromium/issues/detail?id=510079
* https://bugs.webkit.org/show_bug.cgi?id=158276

_data/browser-bugs.yml

@@ -28,16 +28,6 @@
   origin: >
     Bootstrap#14211
 
--
-  browser: >
-    Edge
-  summary: >
-    When hovering over a `<select>` menu item, the cursor for the element underneath the menu is displayed.
-  upstream_bug: >
-    Edge#817822
-  origin: >
-    Bootstrap#14528
-
 -
   browser: >
     Edge
@@ -218,16 +208,6 @@
   origin: >
     Bootstrap#14409
 
--
-  browser: >
-    Chrome
-  summary: >
-    `:focus` `outline` style causes cursor to not be displayed when toggling a `readonly` `<input>` to read-write.
-  upstream_bug: >
-    Chromium#465274
-  origin: >
-    Bootstrap#16022
-
 -
   browser: >
     Chrome
@@ -268,16 +248,6 @@
   origin: >
     Bootstrap#15298
 
--
-  browser: >
-    Chrome (Linux)
-  summary: >
-    `<select>`'s pop-up menu is blank on some systems.
-  upstream_bug: >
-    Chromium#510079
-  origin: >
-    Bootstrap#21120
-
 -
   browser: >
     Safari
@@ -420,16 +390,6 @@
   origin: >
     Bootstrap#14839
 
--
-  browser: >
-    Safari (iOS)
-  summary: >
-    Tapping from one `<input>` to another in an overlay can cause shaking/jiggling effect
-  upstream_bug: >
-    WebKit#158276
-  origin: >
-    Bootstrap#19927
-
 -
   browser: >
     Safari (iOS)