Remove unnecessary indentations in releasenotes index

This commit removes unnecessary indentations in releasenotes
index.rst. An extra indentation is rendered as a quote which is
weird.

Change-Id: I2c33c7870946622c3c76717c8a621f0663ce64e1
This commit is contained in:
Masayuki Igawa
2018-03-07 15:22:12 +09:00
parent b191b0566b
commit 17cc37eebb