removeLastElement () {
      /* istanbul ignore else */
      if (this.blockKeys.indexOf('Delete') !== -1) return
      /* istanbul ignore else */
      if (this.search.length === 0 && Array.isArray(this.internalValue) && this.internalValue.length) {
        this.removeElement(this.internalValue[this.internalValue.length - 1], false);
      }
    }
Calls this.removeElement() with the last element
from this.internalValue (selected element Array)

@fires this#removeElement