wallet: Remove unused WalletFeature enums

Author: w0xlt

src/wallet/walletutil.h

@@ -11,24 +11,6 @@
 #include <vector>
 
 namespace wallet {
-/** (client) version numbers for particular wallet features */
-enum WalletFeature
-{
-    FEATURE_BASE = 10500, // the earliest version new wallets supports (only useful for getwalletinfo's clientversion output)
-
-    FEATURE_WALLETCRYPT = 40000, // wallet encryption
-    FEATURE_COMPRPUBKEY = 60000, // compressed public keys
-
-    FEATURE_HD = 130000, // Hierarchical key derivation after BIP32 (HD Wallet)
-
-    FEATURE_HD_SPLIT = 139900, // Wallet with HD chain split (change outputs will use m/0'/1'/k)
-
-    FEATURE_NO_DEFAULT_KEY = 159900, // Wallet without a default key written
-
-    FEATURE_PRE_SPLIT_KEYPOOL = 169900, // Upgraded to HD SPLIT and can have a pre-split keypool
-
-    FEATURE_LATEST = FEATURE_PRE_SPLIT_KEYPOOL
-};
 
 enum WalletFlags : uint64_t {
     // wallet flags in the upper section (> 1 << 31) will lead to not opening the wallet if flag is unknown