docs: Drop modindex from sphinx

For an unknown reason modindex is not be built correctly by sphinx. Take it
out of the index until we can build it correctly.

llvm-svn: 262588

diff --git a/polly/docs/index.rst b/polly/docs/index.rst
index 1b0b0ae..a7ad676 100644 (file)
--- a/polly/docs/index.rst
+++ b/polly/docs/index.rst
@@ -21,6 +21,5 @@ Indices and tables
 ==================
 
 * :ref:`genindex`
-* :ref:`modindex`
 * :ref:`search`