Don't install libt1-dev on travis

Support for libt1 has been removed from ext/gd in PHP 7.0 by
7dcfdbbee431c93c52605e1df323d18e0c6088e9, so we no longer need
to install this package. It is also no longer available on newer
Ubuntu versions.

diff --git a/.travis.yml b/.travis.yml
index 6aca11ee16962b3d77fd79cb6cce2436d917463b..e2609e474ee74b97ce86efb4a2dd6d694f8820f1 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,6 @@ addons:
       - librecode-dev
       - libsasl2-dev
       - libxpm-dev
-      - libt1-dev
       - libzip-dev
 
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