remove log line for events with invalid signature.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nostr-tools",
-  "version": "0.7.1",
+  "version": "0.7.2",
   "description": "Tools for making a Nostr client.",
   "repository": {
     "type": "git",

relay.js

@@ -84,8 +84,6 @@ export function relayConnect(url, onNotice) {
             if (channels[channel]) {
               channels[channel](event)
             }
-          } else {
-            console.warn('got event with invalid signature from ' + url, event)
           }
           return
         }