qutebrowser: Update

.config/qutebrowser/keys.conf

@@ -29,6 +29,14 @@
 # with Shift. For special keys (with `<>`-signs), you need to explicitly add
 # `Shift-` to match a key pressed with shift.  You can bind multiple commands
 # by separating them with `;;`.
+#
+# Note that default keybindings are always bound, and need to be explicitly
+# unbound if you wish to remove them:
+#
+# <unbound>
+#   keychain
+#   keychain2
+#   ...
 
 [!normal]
 
@@ -328,7 +336,7 @@ download
 download-cancel
     ad
 
-download-remove --all
+download-clear
     cd
 
 view-source