Plugins: Don't use `_n()` for singular/plural strings which have no placeholder for a number.

Fixes #33239.
See #28502.
Built from https://develop.svn.wordpress.org/trunk@34521


git-svn-id: http://core.svn.wordpress.org/trunk@34485 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/plugins.php

@@ -444,10 +444,12 @@ if ( ! empty( $invalid ) ) {
 		<?php else : ?>
 		<div id="message" class="updated notice is-dismissible">
 			<p>
-				<?php echo _n(
-					'The selected plugin has been <strong>deleted</strong>.',
-					'The selected plugins have been <strong>deleted</strong>.',
-					$plugins_to_delete );
+				<?php
+				if ( 1 == $plugins_to_delete ) {
+					_e( 'The selected plugin has been <strong>deleted</strong>.' );
+				} else {
+					_e( 'The selected plugins have been <strong>deleted</strong>.' );
+				}
 				?>
 			</p>
 		</div>

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34520';
+$wp_version = '4.4-alpha-34521';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.