Remove unused parameter

Author: trkoch

lib/vim-state.js

@@ -354,7 +354,7 @@ module.exports = class VimState {
   // What's this?
   // clear all selections and final cursor position becomes head of last selection (optionally first selection)
   // editor.clearSelections() does not respect last selection's head, since it merge all selections before clearing.
-  clearSelections ({head = 'last'} = {}) {
+  clearSelections () {
     const position = (this.getConfig('clearMultipleCursorsToFirstPosition'))
       ? this.editor.getCursorBufferPositions()[0]
       : this.editor.getCursorBufferPosition()