[DOC] Remove document header in readme.rst so bob.io.stream doesn't appear twice in bob global doc

README.rst

@@ -4,7 +4,7 @@
    :target: https://www.idiap.ch/software/bob/docs/bob/bob.io.stream/master/index.html
 .. image:: https://img.shields.io/badge/docs-latest-orange.svg
    :target: https://www.idiap.ch/software/bob/docs/bob/bob.io.stream/master/index.html
-.. image:: https://gitlab.idiap.ch/bob/bob.io.stream/badges/master/build.svg
+.. image:: https://gitlab.idiap.ch/bob/bob.io.stream/badges/master/pipeline.svg
    :target: https://gitlab.idiap.ch/bob/bob.io.stream/commits/master
 .. image:: https://gitlab.idiap.ch/bob/bob.io.stream/badges/master/coverage.svg
    :target: https://gitlab.idiap.ch/bob/bob.io.stream/commits/master
@@ -14,9 +14,6 @@
    :target: https://pypi.python.org/pypi/bob.io.stream
 
 
-===============
- Bob IO Stream 
-===============
 
 This package is part of the signal-processing and machine learning toolbox Bob_.