Remove parser_state change in skip_script_data

The parser state is managed externally and should not be changed in skip_script_data

src/wp-includes/html-api/class-wp-html-tag-processor.php

@@ -1613,8 +1613,6 @@ private function skip_script_data(): bool {
 				}
 
 				if ( $this->bytes_already_parsed >= $doc_length ) {
-					$this->parser_state = self::STATE_INCOMPLETE_INPUT;
-
 					return false;
 				}