Remove redundant migration command preflight

bin/omarchy-upgrade-to-quattro

@@ -1189,10 +1189,6 @@ ensure_sleep_lock_service() {
 run_post_upgrade_migrations() {
   local pending_status
 
-  if ! PATH="$package_path" command -v omarchy-migrate >/dev/null 2>&1; then
-    fail "omarchy-migrate is unavailable after installing the Omarchy quattro packages."
-  fi
-
   log "Running Omarchy migrations"
   if ! run_as_user_omarchy OMARCHY_UPGRADE_TO_QUATTRO_LIVE=1 omarchy-migrate; then
     fail "Omarchy migrations did not complete. Fix the error above and rerun the upgrade before rebooting."

test/shell.d/upgrade-to-quattro-test.sh

@@ -105,8 +105,6 @@ function_body() {
 }
 
 migrations_body=$(function_body run_post_upgrade_migrations)
-grep -F 'fail "omarchy-migrate is unavailable after installing the Omarchy quattro packages."' <<<"$migrations_body" >/dev/null ||
-  fail "Omarchy 4 upgrade fails when its migration command is unavailable"
 grep -F 'fail "Omarchy migrations did not complete.' <<<"$migrations_body" >/dev/null ||
   fail "Omarchy 4 upgrade fails when a migration cannot complete"
 grep -F 'omarchy-migrate --pending' <<<"$migrations_body" >/dev/null ||
@@ -118,14 +116,13 @@ grep -F 'pending_status != 1' <<<"$migrations_body" >/dev/null ||
 grep -F 'fail "Could not verify that Omarchy migrations completed.' <<<"$migrations_body" >/dev/null ||
   fail "Omarchy 4 upgrade fails when it cannot verify migration state"
 if grep -F 'return 0' <<<"$migrations_body" >/dev/null || grep -F 'warn ' <<<"$migrations_body" >/dev/null; then
-  fail "Omarchy 4 upgrade does not continue past missing or failed migrations"
+  fail "Omarchy 4 upgrade does not continue past failed migrations"
 fi
 
 exercise_post_upgrade_migrations() {
   local stub_migration_status="$1" stub_pending_status="$2"
 
   (
-    export package_path="$ROOT/bin:/usr/bin"
     log() { :; }
     fail() { exit 1; }
     run_as_user_omarchy() {