inconsistent right padding

Summary: There is too much padding on the right wether right sidebar open or not, this fixes it

Reviewed By: lblasa

Differential Revision: D51428892

fbshipit-source-id: 6fa9b0c06ddf32c32d162a7fd2bd765e8996c00a

desktop/flipper-ui-core/src/sandy-chrome/SandyApp.tsx

@@ -224,7 +224,6 @@ const outOfContentsContainer = (
 
 const MainContainer = styled(Layout.Container)({
   background: theme.backgroundWash,
-  padding: `0 ${theme.space.large}px ${theme.space.large}px 0`,
   overflow: 'hidden',
 });