sdbus++-gendir: remove redundant case in arg-parsing

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I16adee23f5bbcc00567b6bf07dbdd529cfe32550
diff --git a/tools/sdbus++-gendir b/tools/sdbus++-gendir
index bc60ca0..a81f68c 100755
--- a/tools/sdbus++-gendir
+++ b/tools/sdbus++-gendir
@@ -58,10 +58,6 @@
             shift
             break
             ;;
-
-        *)
-            break
-            ;;
     esac
 done