Generalise other assertion paths

live-build/functions

@@ -423,8 +423,8 @@ snap_prepare_assertions() {
     local snaps_dir="$seed_dir/snaps"
     local assertions_dir="$seed_dir/assertions"
     local model_assertion="$assertions_dir/model"
-    local account_key_assertion="$assertions_dir/generic.account-key"
+    local account_key_assertion="$assertions_dir/account-key"
-    local account_assertion="$assertions_dir/generic.account"
+    local account_assertion="$assertions_dir/account"
 
     mkdir -p "$assertions_dir"
     mkdir -p "$snaps_dir"