clear settings after removing last file from wip

app/controller.js

@@ -55,6 +55,9 @@ export default function(state, emitter) {
 
   emitter.on('removeUpload', file => {
     state.archive.remove(file);
+    if (state.archive.numFiles === 0) {
+      state.archive.clear();
+    }
     render();
   });
 

app/ui/archiveTile.js

@@ -446,7 +446,7 @@ module.exports.empty = function(state, emit) {
         for="file-upload"
         role="button"
         class="btn rounded-lg flex items-center mt-4"
-        title="${state.translate('addFilesButtonWithSizeUpdate', {
+        title="${state.translate('addFilesButton', {
           size: bytes(state.user.maxSize)
         })}"
       >