Add a bug reference and upload to Bionic.

debian/changelog

@@ -1,3 +1,20 @@
+lubuntu-default-settings (0.54.2) bionic; urgency=medium
+
+  * Remove /usr/share/xsessions/QLubuntu.desktop from
+    lubuntu-default-settings.install so dh_missing does not make the build
+    FTBFS (LP: #1786602).
+
+ -- Simon Quigley <tsimonq2@ubuntu.com>  Sun, 03 Feb 2019 23:56:24 -0600
+
+lubuntu-default-settings (0.54.1) bionic; urgency=medium
+
+  * Completely remove /usr/share/xsessions/QLubuntu.desktop so we don't give
+    off the impresssion that it's in any way supported. It's an extra session
+    included because of Lubuntu Next, a product which we never actually
+    released (LP: #1786602).
+
+ -- Simon Quigley <tsimonq2@ubuntu.com>  Sat, 11 Aug 2018 21:05:37 -0500
+
 lubuntu-default-settings (0.54) bionic; urgency=medium
 
   * Revert previous upload.

debian/lubuntu-default-settings.install

@@ -22,4 +22,3 @@ usr/share/lubuntu/xscreensaver/
 usr/share/lxpanel/profile/Lubuntu/
 usr/share/upstart/sessions/
 usr/share/xsessions/Lubuntu.desktop
-usr/share/xsessions/QLubuntu.desktop

src/usr/share/xsessions/QLubuntu.desktop.in

@@ -1,5 +0,0 @@
-[Desktop Entry]
-_Name=Lubuntu Qt session
-_Comment=A specific Lubuntu session using Qt
-Exec=/usr/bin/startlxqt
-Type=Application