remove useless link

README.rst

@@ -1,38 +1,12 @@
 OrgNote: A simple blog based on org-mode
 =======================================
 
-.. image:: https://pypip.in/download/orgnote/badge.svg?style=flat
-   :target: https://pypi.python.org/pypi/orgnote
-
-.. image:: https://pypip.in/version/orgnote/badge.svg?style=flat
-   :target: https://pypi.python.org/pypi/orgnote
-
 .. image:: https://readthedocs.org/projects/orgnote/badge/?version=latest
    :target: http://orgnote.readthedocs.org/zh_CN/latest/
 
 .. image:: https://travis-ci.org/LeslieZhu/OrgNote.svg?branch=master
    :target: https://travis-ci.org/LeslieZhu/OrgNote
 
-
-
-.. image:: https://pypip.in/py_versions/orgnote/badge.svg?style=flat
-   :target: https://pypi.python.org/pypi/orgnote
-
-.. image:: https://pypip.in/implementation/orgnote/badge.svg?style=flat
-   :target: https://pypi.python.org/pypi/orgnote
-
-
-.. image:: https://pypip.in/egg/orgnote/badge.svg?style=flat
-   :target: https://pypi.python.org/pypi/orgnote
-
-.. image:: https://pypip.in/wheel/orgnote/badge.svg?style=flat
-   :target: https://pypi.python.org/pypi/orgnote
-
-
-
-.. image:: https://pypip.in/license/orgnote/badge.svg?style=flat
-   :target: https://pypi.python.org/pypi/orgnote
-
 .. image:: https://badges.gitter.im/LeslieZhu/OrgNote.svg
    :alt: Join the chat at https://gitter.im/LeslieZhu/OrgNote
    :target: https://gitter.im/LeslieZhu/OrgNote?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge