Help please, I need to delete the 'date' index column, or else 'date' will appear in the first column with the actions
heat_ds = pd.DataFrame(columns=['PFE','GS','BA','NKE','V','AAPL','TSLA','NVDA','MRK','CVX','UNH'])
heat_ds['PFE'] = pfizer['Close']
heat_ds['GS'] = goldmans['Close']
heat_ds['BA'] = boeingc['Close']
heat_ds['NKE'] = nike['Close']
heat_ds['V'] = visa['Close']
heat_ds['AAPL'] = aaple['Close']
heat_ds['TSLA'] = tesla['Close']
heat_ds['NVDA'] = tesla['Close']
heat_ds['MRK'] = tesla['Close']
heat_ds['CVX'] = chevronc['Close']
heat_ds['UNH'] = unitedh['Close']