bar chart template: fix errant semicolons
bar chart template: fix errant semicolons

stlpublicradio/dailygraphics,stlpublicradio/dailygraphics,nprapps/dailygraphics,nprapps/dailygraphics,stlpublicradio/dailygraphics,nprapps/dailygraphics,nprapps/dailygraphics,stlpublicradio/dailygraphics