Cleanup additional tensor in detection worker

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

src/assets/detect-worker.js

@@ -78,7 +78,7 @@ async function localDetect(imageData) {
   const output = {
     detections: []
   }
-let rawBoxes = []
+  let rawBoxes = []
   let rawScores = []
   let getScores, getBox, boxCalc
 
@@ -123,6 +123,7 @@ let rawBoxes = []
     tf.dispose(tBoxes)
     tf.dispose(tScores)
     tf.dispose(tRes)
+    tf.dispose(resBoxes)
     const valid_detections_data = classes_data.length
     for (let i =0; i < valid_detections_data; i++) {
       let [dLeft, dTop, dRight, dBottom] = boxes_data[i]
@@ -131,7 +132,6 @@ let rawBoxes = []
         "left": dLeft,
         "bottom": dBottom,
         "right": dRight,
-//        "label": this.detectorLabels[classes_data[i]].name,
         "label": classes_data[i],
         "confidence": scores_data[i] * 100
       })