Remove some unused pub functions (#11576)

## Summary

I left anything in `red-knot`, any `with_` methods, etc.

crates/ruff_python_semantic/src/scope.rs

@@ -107,14 +107,6 @@ impl<'a> Scope<'a> {
         })
     }
 
-    /// Like [`Scope::binding_ids`], but returns all bindings that were added to the scope,
-    /// including those that were shadowed by later bindings.
-    pub fn all_binding_ids(&self) -> impl Iterator<Item = BindingId> + '_ {
-        self.bindings.values().copied().flat_map(|id| {
-            std::iter::successors(Some(id), |id| self.shadowed_bindings.get(id).copied())
-        })
-    }
-
     /// Like [`Scope::bindings`], but returns all bindings added to the scope, including those that
     /// were shadowed by later bindings.
     pub fn all_bindings(&self) -> impl Iterator<Item = (&str, BindingId)> + '_ {
@@ -144,11 +136,6 @@ impl<'a> Scope<'a> {
         !self.star_imports.is_empty()
     }
 
-    /// Returns an iterator over all star imports (e.g., `from sys import *`) in this scope.
-    pub fn star_imports(&self) -> impl Iterator<Item = &StarImport<'a>> {
-        self.star_imports.iter()
-    }
-
     /// Set the globals pointer for this scope.
     pub(crate) fn set_globals_id(&mut self, globals: GlobalsId) {
         self.globals_id = Some(globals);