Remove `propTypes` handling in `service-context.js`

We no longer set `propTypes` on components.

src/sidebar/service-context.js

@@ -44,7 +44,7 @@ export const ServiceContext = createContext(fallbackInjector);
  * Wrap a React component to inject any services it depends upon as props.
  *
  * Components declare their service dependencies in an `injectedProps` static
- * property. These services also need to be declared in `propTypes`.
+ * property.
  *
  * Any props which are passed directly will override injected props.
  *
@@ -97,12 +97,6 @@ export function withServices(Component) {
   const wrappedName = Component.displayName || Component.name;
   Wrapper.displayName = `withServices(${wrappedName})`;
 
-  // Forward the prop types, except for those expected to be injected via
-  // the `ServiceContext`.
-  Wrapper.propTypes = { ...Component.propTypes };
-  Component.injectedProps.forEach(prop => {
-    delete Wrapper.propTypes[prop];
-  });
   return Wrapper;
 }
 

src/sidebar/test/service-context-test.js

 import { mount } from 'enzyme';
 import { render } from 'preact';
-import propTypes from 'prop-types';
 
 import { ServiceContext, withServices, useService } from '../service-context';
 
@@ -40,20 +39,6 @@ describe('sidebar/service-context', () => {
       assert.calledWith(injector.get, 'aService');
     });
 
-    it('copies propTypes except for injected properties to wrapper', () => {
-      function TestComponent() {}
-      TestComponent.propTypes = {
-        notInjected: propTypes.string,
-        injected: propTypes.string,
-      };
-      TestComponent.injectedProps = ['injected'];
-
-      const Wrapped = withServices(TestComponent);
-
-      assert.deepEqual(Wrapped.propTypes, { notInjected: propTypes.string });
-      assert.isUndefined(Wrapped.injectedProps);
-    });
-
     it('does not look up services if they are passed as props', () => {
       const testService = {};
       const injector = {