fix: remove sol tx signer from nx.json

Author: spacesailor24

nx.json

@@ -68,7 +68,6 @@
       "ability-aave",
       "ability-debridge",
       "policy-send-counter",
-      "ability-sol-transaction-signer",
       "ability-aerodrome-swap"
     ],
     "projectsRelationship": "independent",