Remove mentioning of DC overrides

mtglib/internal/dc/view.go

@@ -2,12 +2,10 @@ package dc
 
 type dcView struct {
 	publicConfigs dcAddrSet
-	ownConfigs    dcAddrSet
 }
 
 func (d dcView) getV4(dc int) []Addr {
 	addrs := d.publicConfigs.getV4(dc)
-	addrs = append(addrs, d.ownConfigs.getV4(dc)...)
 	addrs = append(addrs, defaultDCAddrSet.getV4(dc)...)
 
 	return addrs
@@ -15,7 +13,6 @@ func (d dcView) getV4(dc int) []Addr {
 
 func (d dcView) getV6(dc int) []Addr {
 	addrs := d.publicConfigs.getV6(dc)
-	addrs = append(addrs, d.ownConfigs.getV6(dc)...)
 	addrs = append(addrs, defaultDCAddrSet.getV6(dc)...)
 
 	return addrs

mtglib/proxy_opts.go

@@ -117,7 +117,7 @@ type ProxyOpts struct {
 	// DCOverrides defines a set of IP addresses that should be used
 	// with a higher priority to those that are calculated somehow by mtg.
 	//
-	// This is an optional setting
+	// OBSOLETE and DEPRECATED. Ignored.
 	DCOverrides map[int][]string
 }