Clean up .travis.yml; remove Precise build

Author: BanzaiMan

.travis.yml

@@ -2,8 +2,7 @@ language: php
 
 matrix:
   include:
-    - sudo: required
-      dist: xenial
+    - dist: xenial
       group: edge
       env:
         - RELEASE=xenial
@@ -25,22 +24,13 @@ matrix:
             fi
           fi
 
-    - sudo: required
-      services:
+    - services:
         - docker
       env:
         - RELEASE=trusty
       name: trusty
       php: '5.6'
-    - sudo: required
-      dist: precise
-      group: edge
-      env:
-        - RELEASE=precise
-      name: precise
-      php: '5.6'
-    - sudo: required
-      arch: ppc64le
+    - arch: ppc64le
       dist: xenial
       group: edge
       language: minimal
@@ -62,8 +52,6 @@ matrix:
               eval "$(phpenv init -)"
             fi
           fi
-  allow_failures:
-    - dist: precise
 
 env:
   global:
@@ -155,7 +143,6 @@ after_success:
   - ./bin/archive
 
 after_failure:
-  - cat /tmp/php-build/source/$VERSION/config.log
   - cat /tmp/php-build.*.log
 
 addons: