cpanm is not available in travis' Ruby containers, exclude it

Makefile

@@ -33,7 +33,7 @@ all:
 #
 setup: dotnet/.ok erlang/.ok java/.ok python/.ok php/.ok ruby-amqp/.ok ruby/.ok python-puka/.ok perl/.ok
 
-setup-travisci: dotnet/.ok erlang/.ok java/.ok python/.ok ruby/.ok perl-cpanm/.ok
+setup-travisci: dotnet/.ok erlang/.ok java/.ok python/.ok ruby/.ok
 
 test: setup
 	RUBY=$(RUBY) python test.py
@@ -139,12 +139,6 @@ perl/.ok:
 		PERL_MM_USE_DEFAULT=1 cpan -i -f UUID::Tiny && \
 		touch .ok)
 
-perl-cpanm/.ok:
-	(cd perl && \
-		cpanm --notest -i Net::RabbitFoot && \
-		cpanm --notest -i UUID::Tiny && \
-		touch .ok)
-
 clean::
 	(cd python-puka && \
 		rm -rf .ok venv distribute*.tar.gz)

travisci.py

@@ -50,7 +50,6 @@ def gen(prog, arg="", **kwargs):
         }
     return [
         ('python', './venv/bin/python %(prog)s.py %(arg)s' % ctx),
-        ('perl', 'perl %(prog)s.pl %(arg)s' % ctx),
         ('erlang', './%(prog)s.erl %(arg)s' % ctx),
         ('java', 'java -cp .:commons-io-1.2.jar:commons-cli-1.1.jar:'
              'rabbitmq-client.jar %(java)s %(arg)s' % ctx),