remove overloads of auth functions

Author: keshavdandeva

java-bigquery-jdbc/src/main/java/com/google/cloud/bigquery/jdbc/BigQueryJdbcOAuthUtility.java

@@ -400,15 +400,6 @@ private static GoogleCredentials getGoogleServiceAccountCredentials(
     return builder.build();
   }
 
-  static UserAuthorizer getUserAuthorizer(
-      Map<String, String> authProperties,
-      Map<String, String> overrideProperties,
-      int port,
-      String callerClassName)
-      throws URISyntaxException {
-    return getUserAuthorizer(authProperties, overrideProperties, port, null, callerClassName);
-  }
-
   static UserAuthorizer getUserAuthorizer(
       Map<String, String> authProperties,
       Map<String, String> overrideProperties,
@@ -446,11 +437,6 @@ static UserAuthorizer getUserAuthorizer(
     return userAuthorizerBuilder.build();
   }
 
-  static UserCredentials getCredentialsFromCode(
-      UserAuthorizer userAuthorizer, String code, String callerClassName) throws IOException {
-    return getCredentialsFromCode(userAuthorizer, code, null, callerClassName);
-  }
-
   static UserCredentials getCredentialsFromCode(
       UserAuthorizer userAuthorizer,
       String code,
@@ -562,15 +548,6 @@ static GoogleCredentials getPreGeneratedTokensCredentials(
     }
   }
 
-  static UserCredentials getPreGeneratedRefreshTokenCredentials(
-      Map<String, String> authProperties,
-      Map<String, String> overrideProperties,
-      String callerClassName)
-      throws URISyntaxException {
-    return getPreGeneratedRefreshTokenCredentials(
-        authProperties, overrideProperties, null, callerClassName);
-  }
-
   static UserCredentials getPreGeneratedRefreshTokenCredentials(
       Map<String, String> authProperties,
       Map<String, String> overrideProperties,

java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/BigQueryJdbcOAuthUtilityTest.java

@@ -248,7 +248,7 @@ public void testGenerateUserAuthURL() {
 
       UserAuthorizer userAuthorizer =
           BigQueryJdbcOAuthUtility.getUserAuthorizer(
-              authProperties, new HashMap<String, String>(), USER_AUTH_PORT, null);
+              authProperties, new HashMap<String, String>(), USER_AUTH_PORT, null, null);
 
       String userId = "test_user";
       String state = "test_state";
@@ -281,7 +281,7 @@ public void testGenerateUserAuthURLOverrideOauthEndpoint() {
 
       UserAuthorizer userAuthorizer =
           BigQueryJdbcOAuthUtility.getUserAuthorizer(
-              authProperties, overrideProperties, USER_AUTH_PORT, null);
+              authProperties, overrideProperties, USER_AUTH_PORT, null, null);
 
       assertThat(overrideTokenSeverURI).isEqualTo(userAuthorizer.toBuilder().getTokenServerUri());
     } catch (URISyntaxException e) {
@@ -322,7 +322,7 @@ public void testParseOverridePropsForRefreshTokenAuth() {
 
       UserCredentials userCredentials =
           BigQueryJdbcOAuthUtility.getPreGeneratedRefreshTokenCredentials(
-              authProperties, overrideProperties, null);
+              authProperties, overrideProperties, null, null);
 
       assertThat(userCredentials.toBuilder().getTokenServerUri())
           .isEqualTo(URI.create("https://oauth2-private.p.googleapis.com/token"));