Remove unnecessary mock imports and enable autodoc error handling for factorization module

Author: Andrew Ramirez

docs/conf.py

@@ -64,15 +64,14 @@
     "datashader",
     "colorcet",
     "holoviews",
-    "pacmap",
-    "parafac2",
-    "tensorly",
-    "tlviz",
 ]
 
 # Suppress warnings during autodoc
 suppress_warnings = ["app.add_directive"]
 
+# Import error handling - continue on import errors
+autodoc_import_error_continue = True
+
 # Intersphinx mapping for external documentation
 intersphinx_mapping = {
     "python": ("https://docs.python.org/3", None),