ASV: remove duplicated SelectDtypes benchmark (#44668)

Author: jorisvandenbossche

asv_bench/benchmarks/frame_methods.py

@@ -731,17 +731,6 @@ def time_dataframe_describe(self):
         self.df.describe()
 
 
-class SelectDtypes:
-    params = [100, 1000]
-    param_names = ["n"]
-
-    def setup(self, n):
-        self.df = DataFrame(np.random.randn(10, n))
-
-    def time_select_dtypes(self, n):
-        self.df.select_dtypes(include="int")
-
-
 class MemoryUsage:
     def setup(self):
         self.df = DataFrame(np.random.randn(100000, 2), columns=list("AB"))