remove now-unneeded return statements

src/web/muc-room-create.jsp

@@ -19,5 +19,4 @@
 <%
     // Redirect to muc-room-edit-form and set that a room will be created
     response.sendRedirect("muc-room-edit-form.jsp?create=true");
-    return;
 %>

src/web/muc-service-create.jsp

@@ -17,5 +17,4 @@
 
 <%  // Redirect to muc-service-edit-form and set that a service will be created
     response.sendRedirect("muc-service-edit-form.jsp?create=true");
-    return;
 %>