Fixed mpl and np versions for figures run
Fixed mpl and np versions for figures run

Since the figures tests have been externalised, and mpl and np versions
      can be selected, the figures test should not be in the allowed
      failures anymore.

dpshelio/sunpy,Alex-Ian-Hamilton/sunpy,dpshelio/sunpy,dpshelio/sunpy,Alex-Ian-Hamilton/sunpy,Alex-Ian-Hamilton/sunpy