fix: dev: [compose-core] remove useless code !minor

bin/compose-core

@@ -2112,10 +2112,6 @@ get_service_relations () {
         printf "%s\0" "$rn" "$ts" "$rc" "$td"
     done < <(cat "$ALL_RELATIONS") > "$cache_file"
 
-    if [ "$?" != 0 ]; then
-        rm -f "$cache_file"  ## no cache
-        return 1
-    fi
     cat "$cache_file"
 }
 export -f get_service_relations