Remove overflow and flex from API.

Summary: flex is just shorthand for flexBasis, flexGrow and flexShrink, and I don't want to expose overflow yet, so, removing them from the API.

Reviewed By: ryanolsonk

Differential Revision: D4126773

fbshipit-source-id: e3b9ef714832cb5665bd20d7fa92f97a266c9210

uikit/CSSLayout/UIView+CSSLayout.m

@@ -100,16 +100,6 @@
   CSSNodeStyleSetFlexWrap([self cssNode], flexWrap);
 }
 
-- (void)css_setOverflow:(CSSOverflow)overflow
-{
-  CSSNodeStyleSetOverflow([self cssNode], overflow);
-}
-
-- (void)css_setFlex:(CGFloat)flex
-{
-  CSSNodeStyleSetFlex([self cssNode], flex);
-}
-
 - (void)css_setFlexGrow:(CGFloat)flexGrow
 {
   CSSNodeStyleSetFlexGrow([self cssNode], flexGrow);