fix debounce for tweet and image api calls

lib/api.js

@@ -18,7 +18,7 @@ const gistClient = axios.create({
   }
 })
 
-async function tweet(content, encodedImage) {
+function tweet(content, encodedImage) {
   const processedData = encodedImage.split(',')[1]
 
   return client
@@ -70,6 +70,6 @@ function checkIfRateLimited(err) {
 export default {
   client,
   getGist,
-  tweet: debounce(tweet, ms('5s'), { leading: true, trailing: true }),
-  image: debounce(image, ms('5s'), { leading: true, trailing: true })
+  tweet: debounce(tweet, ms('5s'), { leading: true, trailing: false }),
+  image: debounce(image, ms('5s'), { leading: true, trailing: false })
 }