feat: Pypi supports come out of Beta? (#1120)

src/project/manifest/mod.rs

@@ -142,21 +142,6 @@ impl Manifest {
         // Validate the contents of the manifest
         manifest.validate(NamedSource::new(file_name, contents.to_owned()), root)?;
 
-        // Notify the user that pypi-dependencies are still experimental
-        if manifest
-            .features
-            .values()
-            .flat_map(|f| f.targets.targets())
-            .any(|f| f.pypi_dependencies.is_some())
-        {
-            match std::env::var("PIXI_BETA_WARNING_OFF") {
-                Ok(var) if var == *"true" => {}
-                _ => {
-                    tracing::warn!("BETA feature `[pypi-dependencies]` enabled!\n\nPlease report any and all issues here:\n\n\thttps://github.com/prefix-dev/pixi.\n\nTurn this warning off by setting the environment variable `PIXI_BETA_WARNING_OFF` to `true`.\n");
-                }
-            }
-        }
-
         let source = match manifest_kind {
             ManifestKind::Pixi => ManifestSource::PixiToml(document),
             ManifestKind::Pyproject => ManifestSource::PyProjectToml(document),