Don't use a matrix for env in travis build.

Author: dangerousben

.travis.yml

@@ -8,10 +8,9 @@ services:
 - postgresql
 sbt_args: "-J-Xmx4096M"
 env:
-  matrix:
-  - PG_HOST_PORT=127.0.0.1:5432 PG_USER=postgres PG_DBNAME=finagle_postgres_test
   global:
-    secure: BlDBBTkjweJybkNnWvLCv8GHhoJXuTvdOmehPwppCOjHKM8z9WDgy5RabrZew/Iptlcnz7Gn4dPrQDtsWPTSY7e791gRcdGPyMX1qR5Rk9YAVnhU2ndV/Udxlabn05CFaciKtQXMF9L2oX5FbqiW2D5J2w0lKVHHr95nGZXRH1g=
+  - PG_HOST_PORT=127.0.0.1:5432 PG_USER=postgres PG_DBNAME=finagle_postgres_test
+  - secure: BlDBBTkjweJybkNnWvLCv8GHhoJXuTvdOmehPwppCOjHKM8z9WDgy5RabrZew/Iptlcnz7Gn4dPrQDtsWPTSY7e791gRcdGPyMX1qR5Rk9YAVnhU2ndV/Udxlabn05CFaciKtQXMF9L2oX5FbqiW2D5J2w0lKVHHr95nGZXRH1g=
 before_script:
 - createdb -U postgres finagle_postgres_test
 - psql -U postgres -c "CREATE EXTENSION IF NOT EXISTS hstore" finagle_postgres_test