RSpec: Remove MPEG format because it was renamed at 6.9.11-31 and 7.0.10-31
See:
@@ -8,7 +8,6 @@ RSpec.describe Magick::Image, '#format' do
expect { image.format = 'JPG' }.not_to raise_error
expect { image.format = 'TIFF' }.not_to raise_error
expect { image.format = 'MIFF' }.not_to raise_error
- expect { image.format = 'MPEG' }.not_to raise_error
v = $VERBOSE
$VERBOSE = nil
expect { image.format = 'shit' }.to raise_error(ArgumentError)
