Fix another batch of spelling typos (#13915)

* Fix typos

* Remove repeated words

* Minor grammar fixes

samples/client/petstore/java/feign/feign10x/src/main/java/org/openapitools/client/ApiClient.java

@@ -332,7 +332,7 @@ public class ApiClient {
 
   /**
    * Gets request interceptor based on authentication name
-   * @param authName Authentiation name
+   * @param authName Authentication name
    * @return Request Interceptor
    */
   public RequestInterceptor getAuthorization(String authName) {

samples/client/petstore/java/feign/feign10x/src/main/java/org/openapitools/client/ServerConfiguration.java

@@ -12,7 +12,7 @@ public class ServerConfiguration {
 
     /**
      * @param URL A URL to the target host.
-     * @param description A describtion of the host designated by the URL.
+     * @param description A description of the host designated by the URL.
      * @param variables A map between a variable name and its value. The value is used for substitution in the server's URL template.
      */
     public ServerConfiguration(String URL, String description, Map<String, ServerVariable> variables) {

samples/client/petstore/java/feign/feign10x/src/main/java/org/openapitools/client/api/StoreApi.java

@@ -39,7 +39,7 @@ public interface StoreApi extends ApiClient.Api {
 
   /**
    * Find purchase order by ID
-   * For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
+   * For valid response try integer IDs with value <= 5 or > 10. Other values will generate exceptions
    * @param orderId ID of pet that needs to be fetched (required)
    * @return Order
    */

samples/client/petstore/java/feign/feign10x/src/test/java/org/openapitools/client/api/StoreApiTest.java

@@ -53,7 +53,7 @@ public class StoreApiTest {
     /**
      * Find purchase order by ID
      *
-     * For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
+     * For valid response try integer IDs with value <= 5 or > 10. Other values will generate exceptions
      */
     @Test
     public void getOrderByIdTest() {