Revert "common/travis: add consistency check on travis runs"

This reverts commit ff13ab493b as it fails
and takes ages to complete.

common/travis/bootstrap.sh

@@ -2,6 +2,6 @@
 #
 # bootstrap.sh
 
-[ "$ACTION" ] && exit 0
+[ "$XLINT" ] && exit 0
 
 ./xbps-src -H $HOME/hostdir binary-bootstrap $1

common/travis/build.sh

@@ -2,7 +2,7 @@
 #
 # build.sh
 
-[ "$ACTION" ] && exit 0 
+[ "$XLINT" ] && exit 0 
 
 if [ "$1" != "$2" ]; then
 	arch="-a $2"

common/travis/consistency_check.sh

@@ -1,7 +0,0 @@
-#!/bin/sh
-#
-# consistency_check.sh
-
-[ "$ACTION" = "consistency-check" ] || exit 0 
-
-./xbps-src consistency-check

common/travis/show_files.sh

@@ -2,7 +2,7 @@
 #
 # show_files.sh
 
-[ "$ACTION" ] && exit 0 
+[ "$XLINT" ] && exit 0 
 
 if [ "$1" != "$2" ]; then
 	arch="-a $2"

common/travis/xlint.sh

@@ -2,6 +2,6 @@
 #
 # xlint.sh
 
-[ "$ACTION" = "xlint" ] || exit 0 
+[ "$XLINT" ] || exit 0 
 
 awk '{ print "srcpkgs/" $0 "/template" }' /tmp/templates | xargs xlint