Fix import path issue in gopher scripts

Add script directory to sys.path so imports work when scripts are
called from remote_publish.sh. Also remove unused variable and
no-op regex.

scripts/gopher/generate_gophermaps.py

@@ -9,9 +9,13 @@ Usage:
 
 import argparse
 import re
+import sys
 import yaml
 from pathlib import Path
 
+# Add script directory to path for imports
+sys.path.insert(0, str(Path(__file__).parent))
+
 from ascii_art import (
     HEADER_BLOG_INDEX,
     DIR_TO_HEADER,