Added a couple more matplotlib methods to ignore in intersphinx
Added a couple more matplotlib methods to ignore in intersphinx

dhomeier/astropy,aleksandr-bakanov/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,pllim/astropy,stargaser/astropy,lpsinger/astropy,dhomeier/astropy,pllim/astropy,larrybradley/astropy,mhvk/astropy,stargaser/astropy,StuartLittlefair/astropy,lpsinger/astropy,StuartLittlefair/astropy,larrybradley/astropy,StuartLittlefair/astropy,MSeifert04/astropy,mhvk/astropy,astropy/astropy,MSeifert04/astropy,dhomeier/astropy,saimn/astropy,lpsinger/astropy,saimn/astropy,astropy/astropy,astropy/astropy,pllim/astropy,saimn/astropy,dhomeier/astropy,stargaser/astropy,saimn/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,astropy/astropy,MSeifert04/astropy,astropy/astropy,pllim/astropy,saimn/astropy,lpsinger/astropy,lpsinger/astropy,pllim/astropy,mhvk/astropy,mhvk/astropy,larrybradley/astropy,mhvk/astropy,MSeifert04/astropy,dhomeier/astropy,stargaser/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,larrybradley/astropy