If found guilty on some or all of the charges, City face a severe points deduction and possibly even expulsion from the Premier League.Everton and Nottingham Forest were both hit by points deductions last season for single breaches of profit and sustainability rules.A guilty verdict could also bring to an end Pep Guardiola’s glorious reign at the Etihad.The City manager, who is into the final year of his contract, has steadfastly backed his superiors but previously said he would walk if they had not been honest with him.”If you lie to me, the day after I am not here,” said Guardiola in…