Deprecate old function

Author: Cadair

astropy_sphinx_theme/__init__.py

@@ -0,0 +1,12 @@
+import warnings
+
+from .bootstrap_astropy import get_html_theme_path as _old_theme_path
+
+
+def get_html_theme_path():
+    warnings.warn(
+        "astropy_sphinx_theme.get_html_theme_path is deprecated, you shouldn't"
+        " need to manually specify the theme path as the theme is registered with sphinx",
+        DeprecationWarning,
+    )
+    return _old_theme_path()

astropy_sphinx_theme/astropy-unified/static/css/astropy.css

@@ -1,6 +1,5 @@
 :root {
   /* SunPy Theme Colors */
-  /* If you add or change the names of these please update the docs */
   --sst-accent-color-bright: #ff5000;
   --sst-accent-color-muted: #FC9468;
   --sst-dark-color: #404040;

astropy_sphinx_theme/bootstrap_astropy.py

@@ -3,6 +3,11 @@
 from pathlib import Path
 
 
+# This is kept for backwards compatibility reasons (see __init__.py)
+def get_html_theme_path():
+    return str(Path(__file__).resolve().parent / "bootstrap-astropy")
+
+
 def setup(app):
     app.add_html_theme(
         "bootstrap-astropy",