Remove a useless function call

Change-Id: I1a775cbf90dca301e1e6b596ddac64fdbc023199

java/src/com/android/inputmethod/latin/LatinIME.java

@@ -2190,7 +2190,6 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
 
     // "ic" must not be null
     private void restartSuggestionsOnManuallyPickedTypedWord(final InputConnection ic) {
-        final CharSequence separator = ic.getTextBeforeCursor(1, 0);
         final int restartLength = mWordComposer.size();
         if (DEBUG) {
             final String wordBeforeCursor =