[master] eed91d391 travis: Disable developer warnings

[Dridi Boukelmoune]

commit eed91d3910310e441c5acb44b1508cc10bdc5c47
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Tue May 11 09:08:24 2021 +0200

    travis: Disable developer warnings
    
    They are currently triggering on readline/libedit includes, preventing
    the sanitizer job to fail for a good reason. We still have developer
    warnings as part of our circle and vtest ci.
    
    Better diff with the --word-diff option.

diff --git a/.travis.yml b/.travis.yml
index b3ac48bbf..af4c0b79a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -67,7 +67,7 @@ jobs:
           export UBSAN_OPTIONS=halt_on_error=1,print_stacktrace=1,use_sigaltstack=0,suppressions=$(pwd)/tools/ubsan.suppr
           export CC=clang-9
         - ./autogen.sh
-        - ./configure --enable-maintainer-mode --with-unwind --enable-developer-warnings --enable-debugging-symbols --disable-stack-protector --with-persistent-storage --enable-asan --enable-ubsan
+        - ./configure --enable-maintainer-mode --with-unwind --enable-debugging-symbols --disable-stack-protector --with-persistent-storage --enable-asan --enable-ubsan
     - stage: test
       os: osx
       osx_image: xcode12