Remove unsupported search operators

With the removal of the submit queue, there's no need for the
SearchSuggestionOracle to provide suggestions for operators that no
longer exist.

Change-Id: I3ed6c3993db179d2b8e471d2ecea264877d8999e
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java
index 6c2fd04..afbaf85 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/SearchSuggestOracle.java
@@ -113,7 +113,6 @@
     suggestions.add("is:pending");
     suggestions.add("is:draft");
     suggestions.add("is:closed");
-    suggestions.add("is:submitted");
     suggestions.add("is:merged");
     suggestions.add("is:abandoned");
     suggestions.add("is:mergeable");
@@ -122,7 +121,6 @@
     suggestions.add("status:open");
     suggestions.add("status:pending");
     suggestions.add("status:reviewed");
-    suggestions.add("status:submitted");
     suggestions.add("status:closed");
     suggestions.add("status:merged");
     suggestions.add("status:abandoned");