Revert "fix(snap-test): restore blank line in migration-nvmrc-node-alias snap"

This reverts commit a9fc1b0.

Author: naokihaba

packages/cli/snap-tests-global/migration-nvmrc-node-alias/snap.txt

@@ -1,7 +1,6 @@
 > vp migrate --no-interactive # 'node' alias should be mapped to lts/* with an info message
 VITE+ - The Unified Toolchain for the Web
 
-
 "node" in .nvmrc is not a specific version; automatically mapping to "lts/*"
 ◇ Migrated . to Vite+<repeat>
 • Node <semver>  pnpm <semver>