Remove move_loader and librapay (#11184)

* Remove move_loader and librapay

* Remove Embedding Move from implemented proposals

* Remove Move variant from CI

* Remove move_loader ID

docs/sidebars.js

@@ -143,7 +143,6 @@ module.exports = {
       "implemented-proposals/repair-service",
       "implemented-proposals/testing-programs",
       "implemented-proposals/readonly-accounts",
-      "implemented-proposals/embedding-move",
       "implemented-proposals/staking-rewards",
       "implemented-proposals/rent",
       "implemented-proposals/durable-tx-nonces",
@@ -170,6 +169,7 @@ module.exports = {
       "proposals/block-confirmation",
       "proposals/rust-clients",
       "proposals/optimistic_confirmation",
+      "proposals/embedding-move",
     ],
   },
 };