[Lazy4] Remove useless debug code

This code is cluttering readability and getting in the way
of future updates.
Future updates will make it much easier to debug and to
test this code, so this needs to disappear.

Change-Id: I32e28ec608587b6b7c07250a2692b13e8fc98465

java/src/com/android/inputmethod/research/LogUnit.java

@@ -119,22 +119,6 @@ public class LogUnit {
      */
     public synchronized void publishTo(final ResearchLog researchLog,
             final boolean canIncludePrivateData) {
-        // Prepare debugging output if necessary
-        final StringWriter debugStringWriter;
-        final JsonWriter debugJsonWriter;
-        if (DEBUG) {
-            debugStringWriter = new StringWriter();
-            debugJsonWriter = new JsonWriter(debugStringWriter);
-            debugJsonWriter.setIndent("  ");
-            try {
-                debugJsonWriter.beginArray();
-            } catch (IOException e) {
-                Log.e(TAG, "Could not open array in JsonWriter", e);
-            }
-        } else {
-            debugStringWriter = null;
-            debugJsonWriter = null;
-        }
         // Write out any logStatement that passes the privacy filter.
         final int size = mLogStatementList.size();
         if (size != 0) {
@@ -157,29 +141,12 @@ public class LogUnit {
                     outputLogUnitStart(jsonWriter, canIncludePrivateData);
                 }
                 logStatement.outputToLocked(jsonWriter, mTimeList.get(i), mValuesList.get(i));
-                if (DEBUG) {
-                    logStatement.outputToLocked(debugJsonWriter, mTimeList.get(i),
-                            mValuesList.get(i));
-                }
             }
             if (jsonWriter != null) {
                 // We must have called logUnitStart earlier, so emit a logUnitStop.
                 outputLogUnitStop(jsonWriter);
             }
         }
-        if (DEBUG) {
-            try {
-                debugJsonWriter.endArray();
-                debugJsonWriter.flush();
-            } catch (IOException e) {
-                Log.e(TAG, "Could not close array in JsonWriter", e);
-            }
-            final String bigString = debugStringWriter.getBuffer().toString();
-            final String[] lines = bigString.split("\n");
-            for (String line : lines) {
-                Log.d(TAG, line);
-            }
-        }
     }
 
     private static final String WORD_KEY = "_wo";