Merge pull request #3952 from nouiz/doc

Fix doc gen

Merge pull request #3952 from nouiz/doc
dfce3aee · Frédéric Bastien · 18319b8f · dac4da86 · dfce3aee
--- a/doc/library/sandbox/index.txt
+++ b/doc/library/sandbox/index.txt
@@ -18,4 +18,3 @@
    linalg
    neighbours
    rng_mrg
-    blocksparse