Don't set default intro text on profile view install

Bug #809105

Change-Id: If2a2826f1386253fb9e88a6d76fb3616f8a1a21f
Signed-off-by: Eugene Venter <eugene@catalyst.net.nz>

htdocs/auth/user.php

@@ -529,7 +529,7 @@ class User {
             $configdata['artefactids'][] = $intro;
         }
         else {
-            $configdata['introtext'] = get_string('thisistheprofilepagefor', 'mahara', display_name($this, null, true));
+            $configdata['introtext'] = '';
         }
         if ($this->get('profileicon')) {
             $configdata['profileicon'] = $this->get('profileicon');

htdocs/lang/en.utf8/mahara.php

@@ -906,7 +906,6 @@ $string['Copyof'] = 'Copy of %s';
 // Profile views
 $string['loggedinusersonly'] = 'Allow logged in users only';
 $string['allowpublicaccess'] = 'Allow public access';
-$string['thisistheprofilepagefor'] = 'This is the profile page for %s';
 $string['viewmyprofilepage']  = 'View profile page';
 $string['editmyprofilepage']  = 'Edit profile page';
 $string['usersprofile'] = "%s's Profile";