Simplify helm update script

scripts/update-helm-repos.sh

@@ -11,13 +11,9 @@ repos=(
     "ingress-nginx=https://kubernetes.github.io/ingress-nginx"
 )
 
-update_helm_repos () {
-    for i in ${repos[@]}; do
-        k=$(echo "$i" | cut -d= -f1)
-        v=$(echo "$i" | cut -d= -f2)
-        helm repo add $k $v
-    done
-    helm repo update
-}
+IFS=";"
+for i in $repos; do
+    set $i
+    helm repo add $1 $2
+done
 
-update_helm_repos