fix(charts): remove malfunctioning SCALE migration script

charts/stable/ipfs/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 kubeVersion: ">=1.16.0-0"
 name: ipfs
-version: 3.0.0
+version: 3.0.1
 appVersion: "0.12.2"
 description: IPFS is a global, versioned, peer-to-peer filesystem. It combines good ideas from previous systems such Git, BitTorrent, Kademlia, SFS, and the Web. It is like a single bittorrent swarm, exchanging git objects.
 type: application

charts/stable/ipfs/SCALE/migrations/migrate

@@ -1,21 +0,0 @@
-#!/usr/bin/python3
-import json
-import os
-import sys
-
-
-def migrate(values):
-    values.update({
-        **({'secretEnv': values['secret']} if values.get('secret') else {}),
-        **({'secret': {}} if values.get('secret'))
-    })
-    return values
-
-
-if __name__ == '__main__':
-    if len(sys.argv) != 2:
-        exit(1)
-
-    if os.path.exists(sys.argv[1]):
-        with open(sys.argv[1], 'r') as f:
-            print(json.dumps(migrate(json.loads(f.read()))))