Optimize imports

Author: peacekeeper

uni-resolver-core/src/main/java/uniresolver/UniResolver.java

@@ -6,7 +6,6 @@
 import uniresolver.result.ResolveResult;
 import uniresolver.w3c.DIDResolver;
 
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;

uni-resolver-local/src/main/java/uniresolver/local/LocalUniResolver.java

@@ -1,7 +1,6 @@
 package uniresolver.local;
 
 import foundation.identity.did.DID;
-import foundation.identity.did.DIDURL;
 import foundation.identity.did.parser.ParserException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

uni-resolver-web/src/main/java/uniresolver/web/config/DriverConfigs.java

@@ -5,7 +5,6 @@
 
 import java.util.List;
 import java.util.Map;
-import java.util.StringJoiner;
 
 @Configuration
 @ConfigurationProperties("uniresolver")