Update ruff config

pyproject.toml

@@ -36,7 +36,6 @@ ignore = [
     "EM101",   # raw-string-in-exception
     "FBT001",  # boolean-type-hint-positional-argument
     "FBT002",  # boolean-default-value-positional-argument
-    "PD901",   # pandas-df-variable-name
     "PGH003",  # blanket-type-ignore
     "PLR0913", # too-many-arguments
     "PLR0915", # too-many-statements
@@ -49,8 +48,5 @@ unfixable = [
 [tool.ruff.lint.pydocstyle]
 convention = "google"
 
-[tool.ruff.lint.per-file-ignores]
-"*.ipynb" = ["T201", "T203"]
-
 [tool.ruff.format]
 docstring-code-format = true