all: remove noop vm config flags (#23111)

* all: rm external interpreter and ewasm config

* core/vm: rm Interpreter interface

* cmd/geth: deprecate interpreter config fields

eth/backend.go

@@ -175,8 +175,6 @@ func New(stack *node.Node, config *ethconfig.Config) (*Ethereum, error) {
 	var (
 		vmConfig = vm.Config{
 			EnablePreimageRecording: config.EnablePreimageRecording,
-			EWASMInterpreter:        config.EWASMInterpreter,
-			EVMInterpreter:          config.EVMInterpreter,
 		}
 		cacheConfig = &core.CacheConfig{
 			TrieCleanLimit:      config.TrieCleanCache,