fix the [isort] skip entry in setup.cfg

Also I removed the files for which I have fixed the problems.

Author: basnijholt

setup.cfg

@@ -126,48 +126,7 @@ combine_as_imports=True
 line_length=88
 force_sort_within_sections=True
 skip_glob=env,
-skip=
-    pandas/__init__.py
-    pandas/core/api.py,
-    pandas/io/msgpack/__init__.py
-    asv_bench/benchmarks/attrs_caching.py,
-    asv_bench/benchmarks/binary_ops.py,
-    asv_bench/benchmarks/categoricals.py,
-    asv_bench/benchmarks/ctors.py,
-    asv_bench/benchmarks/eval.py,
-    asv_bench/benchmarks/frame_ctor.py,
-    asv_bench/benchmarks/frame_methods.py,
-    asv_bench/benchmarks/gil.py,
-    asv_bench/benchmarks/groupby.py,
-    asv_bench/benchmarks/index_object.py,
-    asv_bench/benchmarks/indexing.py,
-    asv_bench/benchmarks/inference.py,
-    asv_bench/benchmarks/io/csv.py,
-    asv_bench/benchmarks/io/excel.py,
-    asv_bench/benchmarks/io/hdf.py,
-    asv_bench/benchmarks/io/json.py,
-    asv_bench/benchmarks/io/msgpack.py,
-    asv_bench/benchmarks/io/pickle.py,
-    asv_bench/benchmarks/io/sql.py,
-    asv_bench/benchmarks/io/stata.py,
-    asv_bench/benchmarks/join_merge.py,
-    asv_bench/benchmarks/multiindex_object.py,
-    asv_bench/benchmarks/panel_ctor.py,
-    asv_bench/benchmarks/panel_methods.py,
-    asv_bench/benchmarks/plotting.py,
-    asv_bench/benchmarks/reindex.py,
-    asv_bench/benchmarks/replace.py,
-    asv_bench/benchmarks/reshape.py,
-    asv_bench/benchmarks/rolling.py,
-    asv_bench/benchmarks/series_methods.py,
-    asv_bench/benchmarks/sparse.py,
-    asv_bench/benchmarks/stat_ops.py,
-    asv_bench/benchmarks/timeseries.py
-    asv_bench/benchmarks/pandas_vb_common.py
-    asv_bench/benchmarks/offset.py
-    asv_bench/benchmarks/dtypes.py
-    asv_bench/benchmarks/strings.py
-    asv_bench/benchmarks/period.py
+skip=pandas/__init__.py
 
 [mypy]
 ignore_missing_imports=True