Remove PHP 5.6 from Travis

Issue #27840

build/travis_before_script.sh

@@ -65,22 +65,6 @@ function step () {
 # -----------------------------------------------------------------------------
 step "Travis Before Script initialization"
 
-# PHP version specific setup
-case $TRAVIS_PHP_VERSION in
-	5.6)
-		# Fix deprecated warning in PHP 5.6 builds:
-		# "Automatically populating $HTTP_RAW_POST_DATA is deprecated [...]"
-		# https://www.bram.us/2014/10/26/php-5-6-automatically-populating-http_raw_post_data-is-deprecated-and-will-be-removed-in-a-future-version/
-		# https://bugs.php.net/bug.php?id=66763
-		# Generate custom php.ini settings
-		cat <<-EOF >mantis_config.ini
-			always_populate_raw_post_data=-1
-			EOF
-		phpenv config-add mantis_config.ini
-		;;
-esac
-
-
 # -----------------------------------------------------------------------------
 step "Create database $MANTIS_DB_NAME"