Jenkins: Remove reponame references

JIRA: MADLIB-1466

Previous commit 620efc7b18dd73c68293cccb4e7e3106b5a42a89 did not remove
all references to the unused variable $reponame

Co-authored-by: Ekta Khanna <ekhanna@vmware.com>
diff --git a/tool/jenkins/jenkins_build.sh b/tool/jenkins/jenkins_build.sh
index ab003e1..a904be4 100755
--- a/tool/jenkins/jenkins_build.sh
+++ b/tool/jenkins/jenkins_build.sh
@@ -19,12 +19,10 @@
 #####################################################################################
 workdir=`pwd`
 user_name=`whoami`
-reponame=${REPONAME:=madlib}
 
 echo "======================================================================"
 echo "Build user: $user_name"
 echo "Work directory: $workdir"
-echo "Git reponame: $reponame"
 echo "----------------------------------------------------------------------"
 echo "ls -la"
 ls -la
diff --git a/tool/jenkins/rat_check.sh b/tool/jenkins/rat_check.sh
index 0042bee..1119570 100755
--- a/tool/jenkins/rat_check.sh
+++ b/tool/jenkins/rat_check.sh
@@ -23,7 +23,6 @@
 set -exu
 
 workdir=`pwd`
-reponame=${REPONAME:=madlib}
 
 # Check if NOTICE file year is current
 grep "Copyright 2016-$(date +"%Y") The Apache Software Foundation" "${workdir}/NOTICE"