fix(ffe-buttons-react): Remove type propType check

This version removes the propType validation of the `type` property. It
makes sense if the element type is `button`, but now that consumers can
override the element type we run the risk of throwing propType errors
for valid values of `type` for element types we don't know about (custom
components for instance).

packages/ffe-buttons-react/src/Button.js

@@ -128,7 +128,6 @@ Button.propTypes = {
      * Used internally by the different components in order to not render needless stuff for e.g. tertiary button.
      */
     simpleContent: bool.isRequired,
-    type: oneOf(['button', 'submit', 'reset']),
 };
 
 Button.defaultProps = {

packages/ffe-buttons-react/src/Button.test.js

@@ -135,23 +135,6 @@ describe('Button', () => {
             });
         });
 
-        describe('type', () => {
-            it('can be type="button"', () => {
-                const wrapper = shallow(<Button type="button" />);
-                expect(wrapper.find('button').is('[type="button"]')).to.be.true;
-            });
-
-            it('can be type="reset"', () => {
-                const wrapper = shallow(<Button type="reset" />);
-                expect(wrapper.find('button').is('[type="reset"]')).to.be.true;
-            });
-
-            it('can be type="submit"', () => {
-                const wrapper = shallow(<Button type="submit" />);
-                expect(wrapper.find('button').is('[type="submit"]')).to.be.true;
-            });
-        });
-
         describe('autoFocus', () => {
             it('can be autoFocused', () => {
                 const wrapper = shallow(<Button autoFocus={true} />);