removed unused node

Author: VinciGit00

scrapegraphai/nodes/__init__.py

@@ -15,7 +15,6 @@
 from .search_link_node import SearchLinkNode
 from .robots_node import RobotsNode
 from .generate_answer_csv_node import GenerateAnswerCSVNode
-from .generate_answer_pdf_node import GenerateAnswerPDFNode
 from .graph_iterator_node import GraphIteratorNode
 from .merge_answers_node import MergeAnswersNode
 from .generate_answer_omni_node import GenerateAnswerOmniNode