remove redundant function

.cruft.json

@@ -1,6 +1,6 @@
 {
   "template": "https://github.com/Ouranosinc/cookiecutter-pypackage",
-  "commit": "d7c3bf0291f0d7eb2051e0228702580ea5a14da4",
+  "commit": "5642574eb8ecd68019da5dfaeaa51c305a798825",
   "checkout": null,
   "context": {
     "cookiecutter": {

src/figanos/matplotlib/__init__.py

@@ -1,6 +1,5 @@
 """Figanos plotting module."""
 
-from ._style import get_mpl_styles
 from .plot import (
     gdfmap,
     gridmap,

src/figanos/matplotlib/utils.py

@@ -1084,13 +1084,10 @@ def categorical_colors() -> dict[str, str]:
         return cat
 
 
-def get_mpl_styles() -> dict[str, str]:
-    """Get the available matplotlib styles and their paths, as a dictionary."""
-    folder = pathlib.Path(__file__).parent / "style/"
-    paths = sorted(folder.glob("*.mplstyle"))
-    names = [str(p).split("/")[-1].removesuffix(".mplstyle") for p in paths]
-    styles = {str(name): path for name, path in zip(names, paths)}
-
+def get_mpl_styles() -> dict[str, pathlib.Path]:
+    """Get the available matplotlib styles and their paths as a dictionary."""
+    files = sorted(pathlib.Path(__file__).parent.joinpath("style").glob("*.mplstyle"))
+    styles = {style.stem: style for style in files}
     return styles