remove taproot activation code, update libsecp256k1 libs

src/main/java/com/sparrowwallet/drongo/protocol/ScriptType.java

@@ -1134,14 +1134,10 @@ public enum ScriptType {
 
         @Override
         public List<PolicyType> getAllowedPolicyTypes() {
-            return (Network.get() == Network.MAINNET && LocalDate.now().isAfter(TAPROOT_MAINNET_ACTIVATION_DATE) || (System.getProperty(Network.BLOCK_HEIGHT_PROPERTY) != null && Integer.parseInt(System.getProperty(Network.BLOCK_HEIGHT_PROPERTY)) >= 709632))
+            return List.of(SINGLE);
-                    || Network.get() == Network.TESTNET || Network.get() == Network.REGTEST || Network.get() == Network.SIGNET ? List.of(SINGLE) : Collections.emptyList();
         }
     };
 
-    //To avoid relying solely on a network-dependent block height >= 709632 check, use a approximate activation date. This can be removed once Taproot has activated on mainnet.
-    private static final LocalDate TAPROOT_MAINNET_ACTIVATION_DATE = LocalDate.of(2021, Month.NOVEMBER, 17);
-
     private final String name;
     private final String description;
     private final String defaultDerivationPath;

src/main/java/org/bitcoin/Secp256k1Context.java

@@ -45,7 +45,7 @@ public class Secp256k1Context {
 
             return true;
         } catch(IOException e) {
-            log.debug("Error loading libsecp256k1 library", e);
+            log.error("Error loading libsecp256k1 library", e);
         }
 
         return false;