DOC: fix PR02 errors in docstrings - pandas.core.groupby.SeriesGroupBy.transform and pandas.core.groupby.DataFrameGroupBy.transform (#57210)

Author: jordan-d-murphy

ci/code_checks.sh

@@ -169,8 +169,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         pandas.Interval\
         pandas.Grouper\
         pandas.core.groupby.SeriesGroupBy.apply\
-        pandas.core.groupby.SeriesGroupBy.transform\
-        pandas.core.groupby.DataFrameGroupBy.transform\
         pandas.core.groupby.DataFrameGroupBy.nth\
         pandas.core.groupby.DataFrameGroupBy.rolling\
         pandas.core.groupby.SeriesGroupBy.nth\

pandas/core/groupby/groupby.py

@@ -486,7 +486,7 @@ class providing the base-class of operations.
 
 Parameters
 ----------
-f : function, str
+func : function, str
     Function to apply to each group. See the Notes section below for requirements.
 
     Accepted inputs are: