Twenty Ninteen: Revert changes to 'style-rtl.css'.

This revert changes to Twenty Nineteen 'style-rtl.css' file made in [56580] as it auto-generated during the build process.

Unprops karmatosed.
Props costdev.
See #58443.


git-svn-id: https://develop.svn.wordpress.org/trunk@56581 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-content/themes/twentynineteen/style-rtl.css

@@ -5489,7 +5489,7 @@ body.page .main-navigation {
   border: none;
   font-size: 0.88889em;
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
-  line-height: inherit;
+  line-height: 1.2;
   box-sizing: border-box;
   font-weight: bold;
   text-decoration: none;