Updates qutebrowser: 6e73c18 Switch to the right folder

diff --git a/qutebrowser b/qutebrowser
index 2c397d4eea51db7bb30a6a8f037888bffdf5f6c6..6e73c18932418bcd4529a703f7c509b116e04849 160000 (submodule)
--- a/qutebrowser
+++ b/qutebrowser
@@ -1 +1 @@
-Subproject commit 2c397d4eea51db7bb30a6a8f037888bffdf5f6c6
+Subproject commit 6e73c18932418bcd4529a703f7c509b116e04849