shippable: Remove Debian 8 libfdt kludge

This kludge was added in a825ca06137, but a cleaner and more generic
fix is now available (see ##COMMIT_CONFIGURE_LIBFDT_LDFLAGS_SHA##).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180415230522.24404-4-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

.shippable.yml

@@ -35,13 +35,5 @@ build:
     options: "-e HOME=/root"
   ci:
     - unset CC
-    # some targets require newer up to date packages, for example TARGET_LIST matching
-    # aarch64*-softmmu|arm*-softmmu|ppc*-softmmu|microblaze*-softmmu|mips64el-softmmu)
-    # see the configure script:
-    #    error_exit "DTC (libfdt) version >= 1.4.2 not present. Your options:"
-    #    "  (1) Preferred: Install the DTC (libfdt) devel package"
-    #    "  (2) Fetch the DTC submodule, using:"
-    #    "      git submodule update --init dtc"
-    - dpkg --compare-versions `dpkg-query --showformat='${Version}' --show libfdt-dev` ge 1.4.2 || git submodule update --init dtc
     - ./configure ${QEMU_CONFIGURE_OPTS} --target-list=${TARGET_LIST}
     - make -j$(($(getconf _NPROCESSORS_ONLN) + 1))