Update git submodules

* Update docs/submodules/storperf from branch 'master'
  - numpy error in container

    Removes numpy from container as it causes runtime problems.

    Change-Id: Iaae384c9229e0af5057822d62fca146732d62a53
    JIRA: STORPERF-126
    Signed-off-by: mbeierl <mark.beierl@dell.com>

diff --git a/docs/submodules/storperf b/docs/submodules/storperf
index bde628b..60ffe3f 160000 (submodule)
--- a/docs/submodules/storperf
+++ b/docs/submodules/storperf
@@ -1 +1 @@
-Subproject commit bde628b56fc7c01f823fd76a10e97ca899632849
+Subproject commit 60ffe3f74c0df89b5fef3c45770db63922555970