lint and remove unneeded params

js/modules/loki_message_api.js

@@ -88,17 +88,10 @@ class LokiMessageAPI {
     };
 
     if (isPublic) {
-      const { profile } = data;
-      let displayName = 'Anonymous';
-      if (profile && profile.displayName) {
-        ({ displayName } = profile);
-      }
       const res = await publicSendData.sendMessage(
         data.body,
         data.quote,
-        messageTimeStamp,
-        displayName,
-        this.ourKey
+        messageTimeStamp
       );
       if (res === false) {
         throw new window.textsecure.PublicChatError(

js/modules/loki_public_chat_api.js

@@ -566,7 +566,7 @@ class LokiPublicChannelAPI {
       res.response.data.reverse().forEach(async adnMessage => {
         let timestamp = new Date(adnMessage.created_at).getTime();
         // pubKey lives in the username field
-        let from = adnMessage.user.name;
+        const from = adnMessage.user.name;
         let sigValid;
         let quote = null;
         if (adnMessage.is_deleted) {
@@ -712,7 +712,7 @@ class LokiPublicChannelAPI {
   }
 
   // create a message in the channel
-  async sendMessage(text, quote, messageTimeStamp, displayName, pubKey) {
+  async sendMessage(text, quote, messageTimeStamp) {
     const payload = {
       text,
       annotations: [