cleanup

Author: Neenu1995

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

@@ -58,8 +58,6 @@ public void setReadOnly(boolean readOnly) {}
   @Override
   public void setCatalog(String catalog) {}
 
-  // TODO: post MVP feature
-
   @Override
   public Map<String, Class<?>> getTypeMap() throws SQLException {
     throw new BigQueryJdbcSqlFeatureNotSupportedException(METHOD_NOT_IMPLEMENTED);

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

@@ -32,8 +32,6 @@ public void setCursorName(String name) throws SQLException {
 
   @Override
   public ResultSet getGeneratedKeys() throws SQLException {
-    // TODO: Returns an empty resultset.
-    // return empty ResultSet
     throw new BigQueryJdbcSqlFeatureNotSupportedException(METHOD_NOT_IMPLEMENTED);
   }