Remove OwnerPaysFee as it's never fully supported (#5435)

The OwnerPaysFee amendment was never fully supported, and this change removes the feature to the extent possible.

include/xrpl/protocol/Feature.h

@@ -55,6 +55,11 @@
  *    `VoteBehavior::DefaultYes`. The communication process is beyond
  *    the scope of these instructions.
  *
+ * 5) A feature marked as Obsolete can mean either:
+ *    1) It is in the ledger (marked as Supported::yes) and it is on its way to
+ *      become Retired
+ *    2) The feature is not in the ledger (has always been marked as
+ *      Supported::no) and the code to support it has been removed
  *
  * When a feature has been enabled for several years, the conditional code
  * may be removed, and the feature "retired". To retire a feature:

include/xrpl/protocol/detail/features.macro

@@ -114,7 +114,6 @@ XRPL_FEATURE(DepositAuth,                Supported::yes, VoteBehavior::DefaultYe
 XRPL_FIX    (1513,                       Supported::yes, VoteBehavior::DefaultYes)
 XRPL_FEATURE(FlowCross,                  Supported::yes, VoteBehavior::DefaultYes)
 XRPL_FEATURE(Flow,                       Supported::yes, VoteBehavior::DefaultYes)
-XRPL_FEATURE(OwnerPaysFee,               Supported::no,  VoteBehavior::DefaultNo)
 
 // The following amendments are obsolete, but must remain supported
 // because they could potentially get enabled.
@@ -131,6 +130,8 @@ XRPL_FIX    (NFTokenNegOffer,       Supported::yes, VoteBehavior::Obsolete)
 XRPL_FIX    (NFTokenDirV1,          Supported::yes, VoteBehavior::Obsolete)
 XRPL_FEATURE(NonFungibleTokensV1,   Supported::yes, VoteBehavior::Obsolete)
 XRPL_FEATURE(CryptoConditionsSuite, Supported::yes, VoteBehavior::Obsolete)
+// This sits here temporarily and will be moved to another section soon
+XRPL_FEATURE(OwnerPaysFee,          Supported::no,  VoteBehavior::Obsolete)
 
 // The following amendments have been active for at least two years. Their
 // pre-amendment code has been removed and the identifiers are deprecated.