Update sourcezap-{clone,pull}

Reduce the visual noise generated by set -x

libexec/sourcezap/commands/sourcezap-clone

@@ -43,10 +43,8 @@ if [ -e "${gitdir}/.git" ]; then
     exit 1
 fi
 
-set -x
 git clone "${giturl}" "${gitdir}"
 cd "${gitdir}"
 git config core.filemode off
 git checkout -t origin/"${branch}"
-set +x
 printok "clone complete"

libexec/sourcezap/commands/sourcezap-pull

@@ -42,9 +42,7 @@ if [ ! -e "${gitdir}/.git" ]; then
     exit 1
 fi
 
-set -x
 cd "${gitdir}"
 branch=$(git branch --show-current)
 git pull --rebase origin "${branch}"
-set +x
 printok "pull complete"