remove unnecessary files

SeqKit.yaml

-channels:
-  - conda-forge
-  - bioconda
-  - defaults
-dependencies:
-  - _libgcc_mutex=0.1=main
-  - ca-certificates=2019.5.15=0
-  - certifi=2019.6.16=py36_1
-  - libedit=3.1.20181209=hc058e9b_0
-  - libffi=3.2.1=hd88cf55_4
-  - libgcc-ng=9.1.0=hdf63c60_0
-  - libstdcxx-ng=9.1.0=hdf63c60_0
-  - ncurses=6.1=he6710b0_1
-  - openssl=1.1.1c=h7b6447c_1
-  - pip=19.1.1=py36_0
-  - python=3.6.9=h265db76_0
-  - readline=7.0=h7b6447c_5
-  - seqkit=0.10.2=0
-  - setuptools=41.0.1=py36_0
-  - sqlite=3.29.0=h7b6447c_0
-  - tk=8.6.8=hbc83047_0
-  - wheel=0.33.4=py36_0
-  - xz=5.2.4=h14c3975_4
-  - zlib=1.2.11=h7b6447c_3