fix(#489): remove deprecated defaultProps (#613)

src/components/Table.js

@@ -39,11 +39,6 @@ Table.propTypes = {
   ]),
 };
 
-Table.defaultProps = {
-  className: undefined,
-  forwardedRef: undefined,
-};
-
 const TableForwardRef = React.forwardRef((props, ref) => (
   <Table {...props} forwardedRef={ref} />
 ));

src/components/TdInner.js

@@ -28,12 +28,4 @@ TdInner.propTypes = {
   colSpan: T.oneOfType([T.number, T.string]),
 };
 
-TdInner.defaultProps = {
-  children: undefined,
-  headers: undefined,
-  columnKey: undefined,
-  className: undefined,
-  colSpan: undefined,
-};
-
 export default TdInner;

src/components/Thead.js

@@ -17,8 +17,4 @@ Thead.propTypes = {
   children: T.node,
 };
 
-Thead.defaultProps = {
-  children: undefined,
-};
-
 export default Thead;

src/components/TrInner.js

@@ -42,10 +42,4 @@ TrInner.propTypes = {
   inHeader: T.bool,
 };
 
-TrInner.defaultProps = {
-  children: undefined,
-  headers: undefined,
-  inHeader: undefined,
-};
-
 export default TrInner;