fix: [asset-swapper] Rework Bancor to only use paths and sample best path (#88)

* Rework Bancor to only use paths and sample best path

* Deployed address

* Clean up and pin bancor sdk

* CHANGELOGs

packages/asset-swapper/src/swap_quoter.ts

@@ -213,9 +213,8 @@ export class SwapQuoter {
                 samplerContract,
                 samplerOverrides,
                 provider,
-                undefined,
-                undefined,
-                undefined,
+                undefined, // balancer pool cache
+                undefined, // cream pool cache
                 tokenAdjacencyGraph,
                 liquidityProviderRegistry,
             ),