Bug 1141417 - Remove cmake from builder image r=me a=taskcluster-only

Workaround apitrace compiler error by removing cmake package from builder...

--HG--
extra : rebase_source : fbaaf97ab457919fb8beadfcdbbd9df27989e872

testing/docker/b2g-build/Dockerfile

@@ -14,7 +14,8 @@ RUN yum install -y epel-release && \
   bison \
   bzip2 \
   ccache \
-  cmake \
+  # cmake: is disabled intentionally to work around: bug 1141417
+  # cmake \
   curl \
   curl-devel \
   dbus-devel \

testing/docker/b2g-build/VERSION

@@ -1 +1 @@
-0.2.5
+0.2.6

testing/docker/builder/Dockerfile

@@ -1,4 +1,4 @@
-FROM          quay.io/mozilla/b2g-build:0.2.5
+FROM          quay.io/mozilla/b2g-build:0.2.6
 MAINTAINER    Dustin J. Mitchell <dustin@mozilla.com>
 
 ENV PYTHONPATH /tools/tools/lib/python:$PYTHONPATH

testing/docker/builder/VERSION

@@ -1 +1 @@
-0.5.0
+0.5.1