CI: fix rm command

Signed-off-by: Luca Di Maio <luca.dimaio1@gmail.com>

.github/workflows/compatibility.yml

@@ -209,4 +209,4 @@ jobs:
         run: |
           image=${{ matrix.distribution }}
           container_name="$(basename "${image}" | sed -E 's/[:.]/-/g')"
-          ./distrobox rm --force --name "${container_name}"
+          ./distrobox rm --force "${container_name}"

distrobox-generate-entry

@@ -244,7 +244,7 @@ if [ "${icon}" = "auto" ]; then
 		tr -d '"')"
 	rm -f /tmp/"${container_name}".os-release
 
-	icon_url="$(echo "$DISTRO_ICON_MAP" | grep "${container_distro}:" | cut -d':' -f2-)"
+	icon_url="$(echo "${DISTRO_ICON_MAP}" | grep "${container_distro}:" | cut -d':' -f2-)"
 	if [ -n "${icon_url}" ]; then
 		icon_extension="${icon_url##*.}"