Remove unused WordComposer.init method

Change-Id: I46c6a6e1c1536599cb909bf81297001b238f2ec8
diff --git a/java/src/com/android/inputmethod/latin/WordComposer.java b/java/src/com/android/inputmethod/latin/WordComposer.java
index bf5e05e..bfa41c7 100644
--- a/java/src/com/android/inputmethod/latin/WordComposer.java
+++ b/java/src/com/android/inputmethod/latin/WordComposer.java
@@ -34,7 +34,7 @@
 
     private int[] mPrimaryKeyCodes;
     private final InputPointers mInputPointers = new InputPointers();
-    private StringBuilder mTypedWord;
+    private final StringBuilder mTypedWord;
     private CharSequence mAutoCorrection;
     private boolean mIsResumed;
 
@@ -59,10 +59,6 @@
     }
 
     public WordComposer(WordComposer source) {
-        init(source);
-    }
-
-    public void init(WordComposer source) {
         mPrimaryKeyCodes = Arrays.copyOf(source.mPrimaryKeyCodes, source.mPrimaryKeyCodes.length);
         mTypedWord = new StringBuilder(source.mTypedWord);
         mInputPointers.copy(source.mInputPointers);