TST: Remove unnecessary type ignore

Author: has2k1

plotnine/stats/stat.py

@@ -337,9 +337,7 @@ def compute_panel(self, data: pd.DataFrame, scales: pos_scales):
             unique = uniquecols(old)
             missing = unique.columns.difference(new.columns)
             idx = [0] * len(new)
-            u = unique.loc[idx, missing].reset_index(  # pyright: ignore
-                drop=True
-            )
+            u = unique.loc[idx, missing].reset_index(drop=True)
             # concat can have problems with empty dataframes that
             # have an index
             if u.empty and len(u):