Revert "explicitly set audio recording bit rate"

This reverts commit 7135553e42.

src/views/create-account-view.jsx

@@ -95,7 +95,7 @@ export default class CreateAccountView extends React.PureComponent {
     // Utility method for converting cropped avatar blob to bytes for sending inband or
   // for uploading it to the server out of band.
   uploadAvatar(mime, blob, width, height) {
-    const readyToUpload = image => {
+    const readyToUpload = (image) => {
       let {mime, blob} = image;
       this.setState({imageUrl: URL.createObjectURL(blob), buttonDisabled: true});
       if (blob.size > MAX_AVATAR_BYTES) {

src/views/new-topic-view.jsx

@@ -109,8 +109,7 @@ class NewTopicView extends React.Component {
         {this.state.tabSelected === 'grp' ?
           <NewTopicGroup
             tinode={this.props.tinode}
-            onSubmit={this.handleNewGroupSubmit}
-            onError={this.props.onError} /> :
+            onSubmit={this.handleNewGroupSubmit} /> :
           this.state.tabSelected === 'byid' ?
             <NewTopicById
               onSubmit={this.handleGroupByID}