feat: remove test mode (X-Test-Sub), all functions stored in S3 via storagesvc

- Remove FISSION_TEST_MODE and X-Test-Sub bypass from authMiddleware
- Remove testMode field from Server/Config structs
- Remove TestAuthenticator branch from main.go
- Add uploadToStoragesvc/buildDeploySpec: all function code uploaded to S3
- Add deleteFromStoragesvc: archive deleted from S3 on function delete
- Add FISSION_STORAGESVC_URL env to main.go and deploy/console.yaml
- image: naeel/fission-console:v1.3.31

console/deploy/console.yaml

@@ -52,7 +52,7 @@ spec:
       serviceAccountName: fission-console
       containers:
         - name: console
-          image: naeel/fission-console:v1.3.27
+          image: naeel/fission-console:v1.3.31
           imagePullPolicy: Always
           ports:
             - containerPort: 8090
@@ -77,6 +77,8 @@ spec:
                 secretKeyRef:
                   name: router
                   key: password
+            - name: FISSION_STORAGESVC_URL
+              value: "http://storagesvc.fission.svc.cluster.local"
           livenessProbe:
             httpGet:
               path: /health