Stub/comment out sig verification endpoint in DMZ

[hboon]

This

alpha-wallet-android/dmz/src/main/java/com/alphawallet/token/web/AppSiteController.java

Line 576 in abda84c

@PostMapping("/api/v1/verifyXMLDSig")

• Buzz Hu/Feng Yu to redeploy with Redeploy DMZ service #2679