Batch rename: imfs -> vfs

src/snapshot_middleware/snapshots/test__csv_from_imfs.snap

@@ -1,19 +0,0 @@
----
-source: src/snapshot_middleware/csv.rs
-expression: instance_snapshot
----
-snapshot_id: ~
-metadata:
-  ignore_unknown_instances: false
-  instigating_source:
-    Path: /foo.csv
-  relevant_paths:
-    - /foo.csv
-    - /foo.meta.json
-name: foo
-class_name: LocalizationTable
-properties:
-  Contents:
-    Type: String
-    Value: "[{\"key\":\"Ack\",\"example\":\"An exclamation of despair\",\"source\":\"Ack!\",\"values\":{\"es\":\"¡Ay!\"}}]"
-children: []