Don't test s390. Travis-ci is broken.
diff --git a/.travis.yml b/.travis.yml
index 8db2ddf..8dfa0c2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,9 +30,9 @@ matrix:
env: HOST=alpha-linux-gnu CONFIGURE_OPTIONS=--disable-shared QEMU_LD_PREFIX=/usr/alpha-linux-gnu
- os: linux
env: HOST=m68k-linux-gnu MEVAL='export CC="m68k-linux-gnu-gcc-8 -mcpu=547x" && CXX="m68k-linux-gnu-g++-8 -mcpu=547x"' CONFIGURE_OPTIONS=--disable-shared QEMU_LD_PREFIX=/usr/m68k-linux-gnu QEMU_CPU=cfv4e
- - os: linux
- arch: s390x
- env: HOST=s390x-linux-gnu
+# - os: linux
+# arch: s390x
+# env: HOST=s390x-linux-gnu
- os: linux
arch: ppc64le
env: HOST=ppc64le-linux-gnu