fix: remove curl verbose flag

Author: nianyush

palette-agent-install.sh.tmpl

@@ -32,7 +32,7 @@ IMAGE=${IMAGE:-${IMAGE_REPO}/stylus-agent-mode-linux-${ARCH}:${VERSION}}
 URL=${URL:-${AGENT_URL_PREFIX}/${BIN_PREFIX}-linux-${ARCH}}
 
 # Download palette-agent
-curl -v -L $URL -o palette-agent
+curl -Ls $URL -o palette-agent
 chmod +x palette-agent
 
 # Install with palette-agent