Removal of duplicated code

.travis.yml.new

- 'if [[ $BUILD == 1 && ! -d .build/testing ]]; then unset BUILD; fi'
- export AUTOMATED_TESTING=1 NONINTERACTIVE_TESTING=1 HARNESS_OPTIONS=j10:c HARNESS_TIMER=1
- git clone git://github.com/haarg/perl-travis-helper
- source perl-travis-helper/init
- build-perl
- perl -V
- export PATH=$HELPER_ROOT/bin:$PATH
- 'if [[ $BUILD == 0 ]]; then git config --global user.name "TravisCI"; fi'
- 'if [[ $BUILD == 0 ]]; then git config --global user.email $HOSTNAME":not-for-mail@travis-ci.org"; fi'
- 'if [[ $BUILD == 1 ]]; then cd .build/testing; fi'
- 'if [[ $BUILD == 1 ]]; then export AUTHOR_TESTING=0; fi'

.travis.yml.old

- 'if [[ $BUILD == 1 && ! -d .build/testing ]]; then unset BUILD; fi'
- 'if [[ $BUILD == 0 ]]; then export AUTOMATED_TESTING=1 NONINTERACTIVE_TESTING=1 HARNESS_OPTIONS=j10:c HARNESS_TIMER=1; fi'
- 'if [[ $BUILD == 0 ]]; then git clone git://github.com/haarg/perl-travis-helper; fi'
- 'if [[ $BUILD == 0 ]]; then source perl-travis-helper/init; fi'
- 'if [[ $BUILD == 0 ]]; then build-perl; fi'
- 'if [[ $BUILD == 0 ]]; then perl -V; fi'
- 'if [[ $BUILD == 0 ]]; then git config --global user.name "TravisCI"; fi'
- 'if [[ $BUILD == 0 ]]; then git config --global user.email $HOSTNAME":not-for-mail@travis-ci.org"; fi'
- 'if [[ $BUILD == 1 ]]; then cd .build/testing; fi'
- 'if [[ $BUILD == 1 ]]; then export AUTOMATED_TESTING=1 NONINTERACTIVE_TESTING=1 HARNESS_OPTIONS=j10:c HARNESS_TIMER=1; fi'
- 'if [[ $BUILD == 1 ]]; then git clone git://github.com/haarg/perl-travis-helper; fi'
- 'if [[ $BUILD == 1 ]]; then source perl-travis-helper/init; fi'
- 'if [[ $BUILD == 1 ]]; then build-perl; fi'
- 'if [[ $BUILD == 1 ]]; then perl -V; fi'
- 'if [[ $BUILD == 1 ]]; then export AUTHOR_TESTING=0; fi'