Remove unnecessary "throws" declarations

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=201058582

java/google/registry/rde/imports/RdeContactInput.java

@@ -31,7 +31,6 @@ import google.registry.model.contact.ContactResource;
 import google.registry.rde.imports.RdeParser.RdeHeader;
 import google.registry.xjc.JaxbFragment;
 import google.registry.xjc.rdecontact.XjcRdeContactElement;
-import java.io.IOException;
 import java.io.InputStream;
 import java.util.List;
 import java.util.Optional;
@@ -74,8 +73,7 @@ public class RdeContactInput extends Input<JaxbFragment<XjcRdeContactElement>> {
   }
 
   @Override
-  public List<? extends InputReader<JaxbFragment<XjcRdeContactElement>>> createReaders()
-      throws IOException {
+  public List<? extends InputReader<JaxbFragment<XjcRdeContactElement>>> createReaders() {
     int numReaders = this.numReaders;
     RdeHeader header = newParser().getHeader();
     int numberOfContacts = header.getContactCount().intValue();

java/google/registry/rde/imports/RdeContactReader.java

@@ -82,7 +82,7 @@ public class RdeContactReader extends InputReader<JaxbFragment<XjcRdeContactElem
   }
 
   @Override
-  public JaxbFragment<XjcRdeContactElement> next() throws IOException {
+  public JaxbFragment<XjcRdeContactElement> next() {
     if (count < maxResults) {
       if (parser == null) {
         parser = newParser();

java/google/registry/rde/imports/RdeDomainInput.java

@@ -31,7 +31,6 @@ import google.registry.model.domain.DomainResource;
 import google.registry.rde.imports.RdeParser.RdeHeader;
 import google.registry.xjc.JaxbFragment;
 import google.registry.xjc.rdedomain.XjcRdeDomainElement;
-import java.io.IOException;
 import java.io.InputStream;
 import java.util.List;
 import java.util.Optional;
@@ -74,8 +73,7 @@ public class RdeDomainInput extends Input<JaxbFragment<XjcRdeDomainElement>> {
   }
 
   @Override
-  public List<? extends InputReader<JaxbFragment<XjcRdeDomainElement>>> createReaders()
-      throws IOException {
+  public List<? extends InputReader<JaxbFragment<XjcRdeDomainElement>>> createReaders() {
     int numReaders = this.numReaders;
     RdeHeader header = newParser().getHeader();
     int numberOfDomains = header.getDomainCount().intValue();

java/google/registry/rde/imports/RdeDomainReader.java

@@ -79,7 +79,7 @@ public class RdeDomainReader extends InputReader<JaxbFragment<XjcRdeDomainElemen
   }
 
   @Override
-  public JaxbFragment<XjcRdeDomainElement> next() throws IOException {
+  public JaxbFragment<XjcRdeDomainElement> next() {
     if (count < maxResults) {
       if (parser == null) {
         parser = newParser();

java/google/registry/rde/imports/RdeHostInput.java

@@ -29,7 +29,6 @@ import google.registry.model.host.HostResource;
 import google.registry.rde.imports.RdeParser.RdeHeader;
 import google.registry.xjc.JaxbFragment;
 import google.registry.xjc.rdehost.XjcRdeHostElement;
-import java.io.IOException;
 import java.io.InputStream;
 import java.util.List;
 import java.util.Optional;
@@ -74,8 +73,7 @@ public class RdeHostInput extends Input<JaxbFragment<XjcRdeHostElement>> {
   }
 
   @Override
-  public List<? extends InputReader<JaxbFragment<XjcRdeHostElement>>> createReaders()
-      throws IOException {
+  public List<? extends InputReader<JaxbFragment<XjcRdeHostElement>>> createReaders() {
     int numReaders = this.numReaders;
     RdeHeader header = createParser().getHeader();
     int numberOfHosts = header.getHostCount().intValue();

java/google/registry/rde/imports/RdeHostReader.java

@@ -82,7 +82,7 @@ public class RdeHostReader extends InputReader<JaxbFragment<XjcRdeHostElement>>
   }
 
   @Override
-  public JaxbFragment<XjcRdeHostElement> next() throws IOException {
+  public JaxbFragment<XjcRdeHostElement> next() {
     if (count < maxResults) {
       if (parser == null) {
         parser = newParser();