Remove unused table name variables from databricks.yml

Table names are hardcoded in SQL files since DAB variables don't get substituted in SQL source files.

Author: bali0019

knowledge_base/pipeline_with_ai_parse_document/databricks.yml

@@ -16,12 +16,6 @@ variables:
   output_volume_path:
     description: Output volume path for processed images
     default: /Volumes/main/default/parsed_output
-  raw_table_name:
-    description: Name of the raw parsed documents table
-    default: parsed_documents_raw
-  text_table_name:
-    description: Name of the text output table
-    default: parsed_documents_text
 
 include:
   - resources/*.yml