Fix typos on comments

doc/example/libs/strophe/strophe.js

     },
 
     /** PrivateFunction: _dataRecv
-     *  _Private_ handler to processes incoming data from the the connection.
+     *  _Private_ handler to processes incoming data from the connection.
      *
      *  Except for _connect_cb handling the initial connection request,
      *  this function handles the incoming data for all requests.  This

modules/RTC/RTC.js

     }
 
     /**
-     * Returns true if retrieving the the list of input devices is supported
+     * Returns true if retrieving the list of input devices is supported
      * and false if not.
      */
     static isDeviceListAvailable() {

modules/RTC/TPCUtils.js

         const idx = sdp.media.findIndex(mline => mline.type === 'video');
 
         if (sdp.media[idx].rids && (sdp.media[idx].simulcast_03 || sdp.media[idx].simulcast)) {
-            // Make sure we don't have the simulcast recv line on video descriptions other than the
+            // Make sure we don't have the simulcast recv line on video descriptions other than
             // the first video description.
             sdp.media.forEach((mline, i) => {
                 if (mline.type === 'video' && i !== idx) {

modules/recording/JibriSession.js

      * @param {string} options.focusMucJid - The JID of the focus participant
      * that controls recording.
      * @param {streamId} options.streamId - Necessary for live streaming, this
-     * is the the stream key needed to start a live streaming session with the
+     * is the stream key needed to start a live streaming session with the
      * streaming service provider.
      * @returns Promise
      */
      * @param {string} options.focusMucJid - The JID of the focus participant
      * that controls recording.
      * @param {streamId} options.streamId - Necessary for live streaming, this
-     * is the the stream key needed to start a live streaming session with the
+     * is the stream key needed to start a live streaming session with the
      * streaming service provider.
      * @returns Object - The XMPP IQ message.
      */

modules/statistics/CallStats.js

 
 /**
  * An instance of this class is a wrapper for the CallStats API fabric. A fabric
- * reports one peer connection the the CallStats backend and is allocated with
+ * reports one peer connection the CallStats backend and is allocated with
  * {@link callstats.addNewFabric}. It has a bunch of instance methods for
  * reporting various events. A fabric is considered disposed when
  * {@link CallStats.sendTerminateEvent} is executed.

modules/transcription/audioRecorder.js

 }
 
 /**
- * Add the the exported module so that it can be accessed by other files
+ * Add the exported module so that it can be accessed by other files
  */
 AudioRecorder.determineCorrectFileType = determineCorrectFileType;
 

modules/transcription/transcriber.js

     console.log('stopping recording and sending audio files');
     this.audioRecorder.stop();
 
-    // and send all recorded audio the the transcription service
+    // and send all recorded audio the transcription service
     const callBack = blobCallBack.bind(null, this);
 
     this.audioRecorder.getRecordingResults().forEach(recordingResult => {