fix(Card): Remove border

Author: GooBall

src/cards/utils/BaseCard.ts

@@ -5,9 +5,6 @@ import CardProps from './CardProps';
 
 const BaseCard = styled.div<CardProps>`
   border-radius: ${({ theme }) => theme.radius.Medium};
-  border: 3px solid rgba(0, 0, 0, ${({ backgroundColor }) => backgroundColor !== undefined
-    ? backgroundColor
-    : ({ theme }) => theme.color.White});
   box-shadow: ${({ onClick, theme }) =>
     onClick !== undefined ? theme.shadow.Medium : theme.shadow.Small};
   box-sizing: border-box;