MDL-27754 fixed typo in language string

mod/assignment/lang/en/assignment.php

@@ -98,7 +98,7 @@
 $string['existingfiledeleted'] = 'Existing file has been deleted: {$a}';
 $string['failedupdatefeedback'] = 'Failed to update submission feedback for user {$a}';
 $string['feedback'] = 'Feedback';
-$string['feedbackfromteacher'] = 'Feedback from the {$a}';
+$string['feedbackfromteacher'] = 'Feedback from {$a}';
 $string['feedbackupdated'] = 'Submissions feedback updated for {$a} people';
 $string['finalize'] = 'Prevent submission updates';
 $string['finalizeerror'] = 'An error occurred and that submission could not be finalised';