Always invalidate_caches when loading snapshots

Originally we had baseline snapshots shared and dedicated snapshots per worker.
But now we also have shared package snapshots. To be safe let's just always call
it.

src/pyodide/internal/snapshot.ts

@@ -437,14 +437,11 @@ let TEST_SNAPSHOT: Uint8Array | undefined = undefined;
 })();
 
 export function finishSnapshotSetup(pyodide: Pyodide): void {
-  if (DSO_METADATA?.settings?.baselineSnapshot) {
-    // Invalidate caches if we have a baseline snapshot because the contents of site-packages may
-    // have changed.
-    simpleRunPython(
-      pyodide._module,
-      'from importlib import invalidate_caches as f; f(); del f'
-    );
-  }
+  // Invalidate caches if we have a snapshot because the contents of site-packages may have changed.
+  simpleRunPython(
+    pyodide._module,
+    'from importlib import invalidate_caches as f; f(); del f'
+  );
 
   // This is just here for our test suite. Ugly but just about the only way to test this.
   if (TEST_SNAPSHOT) {