Remove Win-specific hacks from #4568 now that desired font weight is

heavier across the board.

src/styles/brackets_patterns_override.less

@@ -31,7 +31,7 @@
  *
  */
 
-/* Variable OVerride */
+/* Variable Overrides */
 
 @tooltipBackground: #fff;
 @tooltipArrowColor: @tooltipBackground;
@@ -454,16 +454,6 @@ a:focus {
     }
 }
 
-// Work around #4568: SourceSans is much fainter on Win than Mac, especially small text with "light" font-weight.
-// We fix some of the most egregious cases by using a heavier font-weight only on Win (and because that's usually
-// overkill, we also make the color paler to dial it back down a bit).
-.less-faint-on-win() {
-    body.platform-win & {
-        font-weight: normal;
-        color: #2e2e2e;
-    }
-}
-
 .modal-body ul {
     /* Bootstrap's type.less defines a heavy margin-bottom on ul/ol that we don't want in dialogs
        since they have heavy padding instead. */
@@ -494,7 +484,6 @@ a:focus {
     line-height: 20px;
     margin-bottom: 20px;
     font-weight: normal;
-    .less-faint-on-win();
 }
 
 .dialog-message li {
@@ -524,9 +513,6 @@ a:focus {
     word-wrap: break-word;
 
     font-weight: @font-weight-semibold;
-    body.platform-win & {  // maintain contrast next to ".less-faint-on-win()" workaround
-        font-weight: @font-weight-semibold;
-    }
 }
 
 /* Any Dialog text in this style is automatically turned into a link that opens in the browser. Use href for the link's target. */
@@ -724,15 +710,13 @@ a[href^="http"] {
                 display: block;
                 font-size: 15px;
                 font-weight: normal;
-                .less-faint-on-win();
                 .user-select(text);
                 cursor: text;
             }
             .ext-desc {
+                width: auto;
                 color: @tc-text;
                 font-weight: normal;
-                .less-faint-on-win();
-                width: auto;
                 .user-select(text);
                 cursor: text;
             }
@@ -811,7 +795,6 @@ a[href^="http"] {
     .dialog-message {
         font-size: 14px;
         line-height: 17px;
-        .less-faint-on-win();
 
         // Enable text selection
         cursor: auto;