[gnome-sdk-images/gnome-3-24] Disable ccache

[Alexander Larsson <alexl src gnome org>]

commit 4920f9ae10cd020d26ce7fbbc2c17cb31814db6a
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Jun 14 10:02:16 2017 +0200

    Disable ccache
    
    This is using a lot of disk, and we're not really doing CI here, so
    its not helping much.

 Makefile |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile b/Makefile
index 3d4fe38..b8c802e 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ endef
 
 all: ${REPO} $(patsubst %,%.in,$(SUBST_FILES))
        $(call subst-metadata)
-       flatpak-builder --force-clean --ccache --require-changes --repo=${REPO} --arch=${ARCH} \
+       flatpak-builder --force-clean --require-changes --repo=${REPO} --arch=${ARCH} \
                         --subject="build of org.gnome.Sdk, `date`" \
                         ${EXPORT_ARGS} sdk org.gnome.Sdk.json