Don't use local disk in integration tests

The @UseLocalDisk was temporarily put for allowing
an easier debugging of the integration-tests. They are
not actually required for the tests to be successful
and therefore they can be safely removed.

Change-Id: I721c7914b8bf81a8513b667a6606770978edbd12
diff --git a/owners-autoassign/src/test/java/com/googlesource/gerrit/owners/common/OwnersAutoassignIT.java b/owners-autoassign/src/test/java/com/googlesource/gerrit/owners/common/OwnersAutoassignIT.java
index 374657c..bd7dd8e 100644
--- a/owners-autoassign/src/test/java/com/googlesource/gerrit/owners/common/OwnersAutoassignIT.java
+++ b/owners-autoassign/src/test/java/com/googlesource/gerrit/owners/common/OwnersAutoassignIT.java
@@ -19,7 +19,6 @@
 
 import com.google.gerrit.acceptance.LightweightPluginDaemonTest;
 import com.google.gerrit.acceptance.TestPlugin;
-import com.google.gerrit.acceptance.UseLocalDisk;
 import com.google.gerrit.extensions.api.changes.ChangeApi;
 import com.google.gerrit.extensions.client.ReviewerState;
 import com.google.gerrit.extensions.common.AccountInfo;
@@ -39,7 +38,6 @@
     }
   }
 
-  @UseLocalDisk
   @Test
   public void shouldAutoassignOneOwner() throws Exception {
     String ownerEmail = user.email();
diff --git a/owners-autoassign/src/test/java/com/googlesource/gerrit/owners/common/OwnersAutoassignWithAttentionSetIT.java b/owners-autoassign/src/test/java/com/googlesource/gerrit/owners/common/OwnersAutoassignWithAttentionSetIT.java
index 4ffc001..b26b2f9 100644
--- a/owners-autoassign/src/test/java/com/googlesource/gerrit/owners/common/OwnersAutoassignWithAttentionSetIT.java
+++ b/owners-autoassign/src/test/java/com/googlesource/gerrit/owners/common/OwnersAutoassignWithAttentionSetIT.java
@@ -20,7 +20,6 @@
 
 import com.google.gerrit.acceptance.LightweightPluginDaemonTest;
 import com.google.gerrit.acceptance.TestPlugin;
-import com.google.gerrit.acceptance.UseLocalDisk;
 import com.google.gerrit.entities.Account.Id;
 import com.google.gerrit.extensions.client.ReviewerState;
 import com.google.gerrit.extensions.common.ChangeInfo;
@@ -62,7 +61,6 @@
     }
   }
 
-  @UseLocalDisk
   @Test
   public void shouldAutoassignTwoOwnersWithOneAttentionSet() throws Exception {
     String ownerEmail1 = user.email();