Revert "Workaround Guice bug "getPathInfo not decoded""

This reverts commit 304130b.

This was added as a workaround for Guice issue #745 [1].

Since then, a fix [2] has been merged and is included in Guice
version 4.0, which we are now using.

[1] google/guice#745
[2] cstamas/guice@41c126f

Change-Id: I8048a9e8897d8b4e42a0f518d2deed5e17264bcf

gerrit-httpd/src/main/java/com/google/gerrit/httpd/GitOverHttpServlet.java

@@ -14,8 +14,6 @@
 
 package com.google.gerrit.httpd;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
-
 import com.google.common.cache.Cache;
 import com.google.common.collect.Lists;
 import com.google.gerrit.common.data.Capable;
@@ -65,8 +63,6 @@
 import org.eclipse.jgit.transport.resolver.UploadPackFactory;
 
 import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.net.URLDecoder;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
@@ -160,13 +156,6 @@ static class Resolver implements RepositoryResolver<HttpServletRequest> {
     public Repository open(HttpServletRequest req, String projectName)
         throws RepositoryNotFoundException, ServiceNotAuthorizedException,
         ServiceNotEnabledException {
-      try {
-        // TODO: remove this code when Guice fixes its issue 745
-        projectName = URLDecoder.decode(projectName, UTF_8.name());
-      } catch (UnsupportedEncodingException e) {
-        // leave it encoded
-      }
-
       while (projectName.endsWith("/")) {
         projectName = projectName.substring(0, projectName.length() - 1);
       }