[gnome-sdk-images] Cleanup sdk docs from platform

[Alexander Larsson <alexl src gnome org>]

commit 513a6495a859dba036bd2ddf02980d76156074f8
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Oct 2 11:01:17 2017 +0200

    Cleanup sdk docs from platform

 org.gnome.Sdk.json.in |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/org.gnome.Sdk.json.in b/org.gnome.Sdk.json.in
index f90209e..80440af 100644
--- a/org.gnome.Sdk.json.in
+++ b/org.gnome.Sdk.json.in
@@ -44,7 +44,8 @@
                           "ldconfig -C /usr/etc/ld.so.cache",
                           "cp -d /usr/lib/extra-links/* /usr/lib/ || true"
                         ],
-    "cleanup-platform": [ "/include",
+    "cleanup-platform": [ "/share/runtime/docs",
+                          "/include",
                           "/share/aclocal",
                           "/share/pkgconfig",
                           "/lib/pkgconfig",