better event name

lib/server.js

@@ -748,7 +748,7 @@ WalletService.prototype.removePendingTx = function(opts, cb) {
       if (actors.length > 1 || (actors.length == 1 && actors[0] !== self.copayerId))
         return cb(new ClientError('TXACTIONED', 'Cannot remove a proposal signed/rejected by other copayers'));
 
-      self._notify('transactionProposalRemoved');
+      self._notify('TxProposalRemoved');
       self.storage.removeTx(self.walletId, txp.id, cb);
     });
   });