Remove colon from language files

lang/de/local_hsh.php

@@ -116,7 +116,7 @@ $string['ou1'] = 'Servicezentrum Lehre';
 $string['ou2'] = 'Moodle-Support und Beratung';
 $string['street'] = 'Ricklinger Stadtweg 120';
 $string['place'] = '30459 Hannover';
-$string['email'] = 'E-Mail:';
+$string['email'] = 'E-Mail';
 $string['elcmailaddress'] = 'moodle@hs-hannover.de';
 $string['elcphone'] = '';
 $string['courseapprovedsubject'] = 'Der beantragte Kurs, {$a->coursename}, wurde angelegt.';

lang/en/local_hsh.php

@@ -139,7 +139,7 @@ $string['ou1'] = 'Servicezentrum Lehre';
 $string['ou2'] = 'Moodle-Support und Beratung';
 $string['street'] = 'Ricklinger Stadtweg 120';
 $string['place'] = '30459 Hannover';
-$string['email'] = 'Mail:';
+$string['email'] = 'Mail';
 $string['elcmailaddress'] = 'moodle@hs-hannover.de';
 $string['elcphone'] = '';
 $string['courseapprovedsubject'] = 'Your requested course, {$a->coursename}, has been rejected.';