dev flash uses build image, not release

scripts/jebbatime-dev-flash

@@ -5,11 +5,6 @@
 
 cd $JEBBATIMEGITROOT
 
-# Download latest release. XXX better link to latest.
-rm -f /tmp/micropython.zip
-wget -O /tmp/micropython.zip						\
-	https://spacecruft.org/attachments/9238c4cc-cd29-4b95-89fe-b3246609339c
-
 # Reboot thang into bootloader
 echo "Rebooting development PineTime watch into bootloader..."
 ./tools/wasptool							\
@@ -22,9 +17,10 @@ sleep 4
 
 # Flash
 echo "Flashing..."
+# Use image in build dir
 ./tools/ota-dfu/dfu.py							\
 	--legacy							\
 	--verbose							\
 	--address=$JEBBATIMEDEVDFUMAC					\
-	--zip=/tmp/micropython.zip
+	--zip=build-pinetime/micropython.zip