Buttons: Fix a few .button-link glitches after [40052].

Removes some stray underlines. Explicitly set the button text to be left aligned.

Props Cheffheid, f.staude, Presskopp.

See #34242.
Fixes #35126, #38712.

Built from https://develop.svn.wordpress.org/trunk@40059


git-svn-id: http://core.svn.wordpress.org/trunk@39996 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/css/buttons-rtl.css

@@ -209,6 +209,7 @@ TABLE OF CONTENTS:
 	background: none;
 	outline: none;
 	cursor: pointer;
+	text-align: right;
 	/* Mimics the default link style in common.css */
 	color: #0073aa;
 	text-decoration: underline;

wp-includes/css/buttons.css

@@ -209,6 +209,7 @@ TABLE OF CONTENTS:
 	background: none;
 	outline: none;
 	cursor: pointer;
+	text-align: left;
 	/* Mimics the default link style in common.css */
 	color: #0073aa;
 	text-decoration: underline;