Remove wizchan remnants

Put me in the screencap

inc/config.php

@@ -624,7 +624,7 @@
 	// Attach country flags to posts.
 	$config['country_flags'] = false;
 
-	// Allow the user to decide whether or not he wants to display his country
+	// Allow the user to decide whether or not he wants to display their country
 	$config['allow_no_country'] = false;
 
 	// Load all country flags from one file
@@ -1896,7 +1896,7 @@
 	// 	'db',
 	// );
 
-	// Allow OP to remove arbitrary posts in his thread
+	// Allow OP to remove arbitrary posts in their thread
 	$config['user_moderation'] = false;
 
 	// File board. Like 4chan /f/

inc/functions.php

@@ -1978,7 +1978,7 @@ function checkMute() {
 		$query->execute() or error(db_error($query));
 
 		if (!$mute = $query->fetch(PDO::FETCH_ASSOC)) {
-			// What!? He's muted but he's not muted...
+			// What!? They're muted but they're not muted...
 			return;
 		}
 

post.php

@@ -244,7 +244,7 @@ if (isset($_POST['delete'])) {
 			if (isset($_POST['file'])) {
 				// Delete just the file
 				deleteFile($id);
-				modLog("User deleted file from his own post #$id");
+				modLog("User deleted file from their own post #$id");
 			} else {
 
 				// Check if thread, and that the delete cutoff post count hasn't been reached
@@ -256,7 +256,7 @@ if (isset($_POST['delete'])) {
 
 				// Delete entire post
 				deletePostPermanent($id);
-				modLog("User deleted his own post #$id");
+				modLog("User deleted their own post #$id");
 			}
 
 			_syslog(LOG_INFO, 'Deleted post: ' .