Update reset.scss to revive <b> element font-weight (#15784)

* reset.scss: add comment

* reset.scss: revive <b> element font-weight

* scss: rm unused b {} style

* scss: rm .text b style

Co-authored-by: ryanml <ryanlanese@gmail.com>

ui/components/app/flask/experimental-area/index.scss

@@ -28,10 +28,6 @@
 
     padding: 16px;
     max-width: 670px;
-
-    b {
-      font-weight: bold;
-    }
   }
 
   ul {

ui/components/app/transaction-activity-log/index.scss

@@ -79,8 +79,4 @@
     cursor: pointer;
     color: var(--color-primary-default);
   }
-
-  b {
-    font-weight: 500;
-  }
 }

ui/css/reset.scss

@@ -1,6 +1,8 @@
 /* http://meyerweb.com/eric/tools/css/reset/
    v2.0 | 20110126
    License: none (public domain)
+
+   ⚠️ This file has been updated from the original copy. ⚠️
 */
 
 html,
@@ -42,7 +44,6 @@ sub,
 sup,
 tt,
 var,
-b,
 u,
 i,
 center,
@@ -96,6 +97,18 @@ video {
   vertical-align: baseline;
 }
 
+b {
+  margin: 0;
+  padding: 0;
+  border: 0;
+  font-size: 100%;
+  font-style: inherit;
+  font-variant: inherit;
+  font-size: inherit;
+  line-height: inherit;
+  vertical-align: baseline;
+}
+
 /* HTML5 display-role reset for older browsers */
 
 /* stylelint-disable */