travis: Disable BOLT checking while they are being copy-edited

Due to the large number of changes in phrasing, we'd have a large
number of CI builds failing. So just temporarily disable BOLT
checking.

Signed-off-by: Christian Decker <decker.christian@gmail.com>

.travis.yml

@@ -19,5 +19,5 @@ script:
   - docker run --rm=true -v "${TRAVIS_BUILD_DIR}":/build -t cdecker/lightning-ci:${ARCH}bit make -j3 DEVELOPER=${DEVELOPER}
   - echo "travis_fold:end:SCRIPT folding ends"
   - docker run --rm=true -e NO_VALGRIND=${NO_VALGRIND:-0} -e TEST_DEBUG=${TEST_DEBUG:-0} -v "${TRAVIS_BUILD_DIR}":/build -t cdecker/lightning-ci:${ARCH}bit make check DEVELOPER=${DEVELOPER}
-  - git clone https://github.com/lightningnetwork/lightning-rfc.git
-  - docker run --rm=true -v "${TRAVIS_BUILD_DIR}":/build -t cdecker/lightning-ci:${ARCH}bit make check-source BOLTDIR=lightning-rfc
+#  - git clone https://github.com/lightningnetwork/lightning-rfc.git
+#  - docker run --rm=true -v "${TRAVIS_BUILD_DIR}":/build -t cdecker/lightning-ci:${ARCH}bit make check-source BOLTDIR=lightning-rfc