Fixed gzip seed input to have exactly 1 input file.

examples/gzip-seed.yaml

@@ -6,9 +6,6 @@ env:
   - LC_ALL=
 network: ~
 files:
-  - name: stdin
-    contents: YWFhCg==
-    perms: rw
   - name: stdin
     contents: 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
-    perms: rw
\ No newline at end of file
+    perms: rw