config+protocol: enable anchor commitments (zero-fee HTLC ) by default

lncfg/protocol_experimental_on.go

@@ -5,13 +5,4 @@ package lncfg
 // ExperimentalProtocol is a sub-config that houses any experimental protocol
 // features that also require a build-tag to activate.
 type ExperimentalProtocol struct {
-	// Anchors should be set if we want to support opening or accepting
-	// channels having the anchor commitment type.
-	Anchors bool `long:"anchors" description:"EXPERIMENTAL: enable experimental support for anchor commitments, won't work with watchtowers"`
-}
-
-// AnchorCommitments returns true if support for the anchor commitment type
-// should be signaled.
-func (l *ExperimentalProtocol) AnchorCommitments() bool {
-	return l.Anchors
 }