Fix indentation in docs

This commit fixes indentation in tempest docs. These indentations are
not necessary and it causes a weird html outputs.

Change-Id: I9c8714558a3327b7ad0b0ab0d3fdc7e770c3c75b
diff --git a/HACKING.rst b/HACKING.rst
index c942cb1..57f0409 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -9,14 +9,14 @@
 ------------------------------
 
 - [T102] Cannot import OpenStack python clients in tempest/api &
-         tempest/scenario tests
+  tempest/scenario tests
 - [T104] Scenario tests require a services decorator
 - [T105] Tests cannot use setUpClass/tearDownClass
 - [T106] vim configuration should not be kept in source files.
 - [T107] Check that a service tag isn't in the module path
 - [T108] Check no hyphen at the end of rand_name() argument
 - [T109] Cannot use testtools.skip decorator; instead use
-         decorators.skip_because from tempest.lib
+  decorators.skip_because from tempest.lib
 - [T110] Check that service client names of GET should be consistent
 - [T111] Check that service client names of DELETE should be consistent
 - [T112] Check that tempest.lib should not import local tempest code