Delete Maya 2017 Sign In Button

deleteMayaSignIn.py

import pymel.core as pm
import shiboken2
import maya.OpenMayaUI as OMUI
from PySide2 import QtWidgets

def deleteSignInButton():
    statusLine = pm.mel.eval('$tmp = $gStatusLineForm')
    pointer = OMUI.MQtUtil_findControl(statusLine)
    statusLine = shiboken2.wrapInstance(long(pointer), QtWidgets.QWidget)
    mayaStatusShelf = statusLine.children()[1].children()[1]
    for widget in mayaStatusShelf.children():
        if widget.objectName() == 'IPM_Button_Placeholder' or widget.objectName() == 'IPMButtonCollapse':
            widget.deleteLater()

if __name__ == "__main__":
    deleteSignInButton()