Remove unused import to fix build breakage

Test: build locally

Change-Id: I15bb9ec5d7bce00ab7f8b1be9e81e4b23fb514ea
diff --git a/src/com/android/contacts/activities/PeopleActivity.java b/src/com/android/contacts/activities/PeopleActivity.java
index 6ed5396..b448200 100644
--- a/src/com/android/contacts/activities/PeopleActivity.java
+++ b/src/com/android/contacts/activities/PeopleActivity.java
@@ -69,10 +69,6 @@
 import com.android.contacts.group.GroupMembersFragment;
 import com.android.contacts.group.GroupNameEditDialogFragment;
 import com.android.contacts.group.GroupUtil;
-import com.android.contacts.group.GroupsFragment;
-import com.android.contacts.group.GroupsFragment.GroupsListener;
-import com.android.contacts.interactions.AccountFiltersFragment;
-import com.android.contacts.interactions.AccountFiltersFragment.AccountFiltersListener;
 import com.android.contacts.list.AccountFilterActivity;
 import com.android.contacts.list.ContactListFilter;
 import com.android.contacts.list.ContactListFilterController;