feat: move opkssh and warpgate into plugins (C3)

drizzle/mysql/0053_magical_groot.sql

@@ -0,0 +1,5 @@
+-- opkssh_tokens moves to the opkssh plugin's adopted table at activation,
+-- and ssh_data.use_warpgate is copied into the warpgate plugin's host
+-- settings by a boot migration after this runs. Dropping either here would
+-- lose the data first.
+SELECT 1;