removed old form value from fetcher

Author: Justin Richer

openid-connect-client/src/main/java/org/mitre/openid/connect/client/UserInfoFetcher.java

@@ -41,7 +41,6 @@ public UserInfo loadUserInfo(OIDCAuthenticationToken token) {
 
 MultiValueMap<String, String> form = new LinkedMultiValueMap<String, String>();
 form.add("access_token", token.getAccessTokenValue());
-form.add("schema", "openid");
 
 String userInfoString = restTemplate.postForObject(token.getServerConfiguration().getUserInfoUri(), form, String.class);