Update example imports and remove duplicated statement (#29)

Author: Lucas Mendes Mota da Fonseca

examples/create_table.py

@@ -5,13 +5,13 @@
     Check each Builder constructor for more information.
 """
 
-from hive_metastore_client.builders.column_builder import ColumnBuilder
-from hive_metastore_client.builders.serde_info_builder import SerDeInfoBuilder
-from hive_metastore_client.builders.storage_descriptor_builder import (
+from hive_metastore_client import HiveMetastoreClient
+from hive_metastore_client.builders import (
+    ColumnBuilder,
+    SerDeInfoBuilder,
     StorageDescriptorBuilder,
+    TableBuilder,
 )
-from hive_metastore_client.builders import TableBuilder
-from hive_metastore_client import HiveMetastoreClient
 
 HIVE_HOST = "<ADD_HIVE_HOST_HERE>"
 HIVE_PORT = 9083
@@ -47,10 +47,6 @@
     serde_info=serde_info,
 ).build()
 
-table_builder = TableBuilder(
-    "table_name", "db_name", storage_descriptor, partition_keys=partition_keys
-).build()
-
 table = TableBuilder(
     table_name="orders",
     db_name="store",