pgsql 9.6 seems to not be on travis ci yet

php 7.1 with MARIADB_VERSION=10.1 seems to no longer be erroring randomly on tests

.travis.yml

@@ -181,43 +181,6 @@ matrix:
         - postgresql
       env: DB=pgsql POSTGRESQL_VERSION=9.5
 
-    - php: 5.6
-      sudo: true
-      dist: trusty
-      group: edge # until the next update
-      addons:
-        postgresql: "9.6"
-      services:
-        - postgresql
-      env: DB=pgsql POSTGRESQL_VERSION=9.6
-    - php: 7.0
-      sudo: true
-      dist: trusty
-      group: edge # until the next update
-      addons:
-        postgresql: "9.6"
-      services:
-        - postgresql
-      env: DB=pgsql POSTGRESQL_VERSION=9.6
-    - php: 7.1
-      sudo: true
-      dist: trusty
-      group: edge # until the next update
-      addons:
-        postgresql: "9.6"
-      services:
-        - postgresql
-      env: DB=pgsql POSTGRESQL_VERSION=9.6
-    - php: nightly
-      sudo: true
-      dist: trusty
-      group: edge # until the next update
-      addons:
-        postgresql: "9.6"
-      services:
-        - postgresql
-      env: DB=pgsql POSTGRESQL_VERSION=9.6
-
     - php: hhvm
       sudo: true
       dist: trusty
@@ -280,15 +243,6 @@ matrix:
       services:
         - postgresql
       env: DB=pgsql POSTGRESQL_VERSION=9.5
-    - php: hhvm
-      sudo: true
-      dist: trusty
-      group: edge # until the next update
-      addons:
-        postgresql: "9.6"
-      services:
-        - postgresql
-      env: DB=pgsql POSTGRESQL_VERSION=9.6
     - php: hhvm
       sudo: true
       dist: trusty
@@ -297,8 +251,6 @@ matrix:
   allow_failures:
     - php: hhvm
     - php: nightly
-    - php: 7.1
-      env: DB=mariadb MARIADB_VERSION=10.1
     - php: 5.6
       env: DB=pgsql POSTGRESQL_VERSION=9.5
     - php: 7.0