remove unused binaries

a lot of applications seem to hardcode this location, so it's better to
have something default, or default-adjasoned.

.local/bin/satallite-wp-update

@@ -2,8 +2,7 @@
 # shellcheck disable=SC1090,SC1091
 
 # set -xv
-EUMETSAT_KEY="jdBM1PsDQUm0tCZfk9VXD6IaJoUa"
-EUMETSAT_SECRET="SumkiqFMU3MAGpt_azb1KXKgjdMa"
+
 OUTDIR="$HOME/photos/eumetsat"
 
 # full screen coverage
@@ -29,6 +28,9 @@ error() {
 	exit 1
 }
 
+[ -z "$EUMETSAT_KEY" ] && error 'make sure to set EUMETSAT_KEY to the client key'
+[ -z "$EUMETSAT_SECRET" ] && error 'make sure to set EUMETSAT_SECRET to the client secret'
+
 # verify internet
 ping -c1 1.1.1.1 >>/dev/null || error "couldn't establish an internet connection!"