docs: dedent list on index.rst

In reStructuredText, indented blocks denote block quotes [1]. This list
is not a block quote.

[1]. http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html#block-quotes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164847 91177308-0d34-0410-b5e6-96231b3b80d8

docs/index.rst

@@ -15,16 +15,16 @@ research projects.
 Similarly, documentation is broken down into several high-level groupings
 targeted at different audiences:
 
-  * **Design & Overview**
+* **Design & Overview**
 
  Several introductory papers and presentations are available at
  :ref:`design_and_overview`.
 
-  * **Publications**
+* **Publications**
 
  The list of `publications <http://llvm.org/pubs>`_ based on LLVM.
 
-  * **User Guides**
+* **User Guides**
 
  Those new to the LLVM system should first vist the :ref:`userguides`.
 
@@ -34,22 +34,22 @@ targeted at different audiences:
  intended for users who have a need to work with the intermediate LLVM
  representation.
 
-  * **API Clients**
+* **API Clients**
 
  Developers of applications which use LLVM as a library should visit the
  :ref:`programming`.
 
-  * **Subsystems**
+* **Subsystems**
 
  API clients and LLVM developers may be interested in the
  :ref:`subsystems` documentation.
 
-  * **Development Process**
+* **Development Process**
 
  Additional documentation on the LLVM project can be found at
  :ref:`development_process`.
 
-  * **Mailing Lists**
+* **Mailing Lists**
 
  For more information, consider consulting the LLVM :ref:`mailing_lists`.