Remove AppImage run on host Python as isd breaking AppImage testing

tools/app-image-creator/src/AppRun.sh

@@ -2,22 +2,7 @@
 
 APPDIR=`dirname $0`
 
-# This is a way that if I think the users HOST Python install can run
-# the app, use that in preference to the version inside this AppImage
-# that way if PyQt has deep integrations with the desktop i.e. Kvantum etc
-# They will be applied, this is bending the design concept of an AppImage
-# But becuase of the way PyQt works, I believe yhis is the best approach
-
-# Don't forget to keep $@ on the end of the exec lines
-# so command line args are passed down
-
-# Simple test, if test fails will print an error to stderr, and continue running
-if python3 -c "import PyQt5"; then
-    # Good, use host "python3"
-    python3 ${APPDIR}/opt/blue-log-viewer/blue-log-viewer.py $@
-else
-    # Else, resources from the AppImage mount to $PATH, and use sandboxed
-    # Python3 from AppImage
-    export PATH="$PATH":"${APPDIR}"/usr/bin
-    ${APPDIR}/usr/bin/python3 ${APPDIR}/opt/blue-log-viewer/blue-log-viewer.py $@
-fi
+# Else, resources from the AppImage mount to $PATH, and use sandboxed
+# Python3 from AppImage
+export PATH="$PATH":"${APPDIR}"/usr/bin
+${APPDIR}/usr/bin/python3 ${APPDIR}/opt/blue-log-viewer/blue-log-viewer.py $@