Revert "Add log for StringUtil"

This reverts commit 1aedf0768c79c9c249a4f28b25179704b22224f7.

Reason for revert: <INSERT REASONING HERE>

Change-Id: Iad115dd31eaea573ee43163c8ab69a7d7140f543
diff --git a/packages/SettingsLib/src/com/android/settingslib/utils/StringUtil.java b/packages/SettingsLib/src/com/android/settingslib/utils/StringUtil.java
index 88be2b0..3e3c039 100644
--- a/packages/SettingsLib/src/com/android/settingslib/utils/StringUtil.java
+++ b/packages/SettingsLib/src/com/android/settingslib/utils/StringUtil.java
@@ -27,7 +27,6 @@
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;
 import android.text.style.TtsSpan;
-import android.util.Log;
 
 import com.android.settingslib.R;
 
@@ -37,8 +36,6 @@
 /** Utility class for generally useful string methods **/
 public class StringUtil {
 
-    private static final String TAG = "StringUtil";
-
     public static final int SECONDS_PER_MINUTE = 60;
     public static final int SECONDS_PER_HOUR = 60 * 60;
     public static final int SECONDS_PER_DAY = 24 * 60 * 60;
@@ -97,7 +94,6 @@
         final Locale locale = context.getResources().getConfiguration().locale;
         final MeasureFormat measureFormat = MeasureFormat.getInstance(
                 locale, FormatWidth.SHORT);
-        Log.i(TAG, "Locale is: " + locale);
         sb.append(measureFormat.formatMeasures(measureArray));
 
         if (measureArray.length == 1 && MeasureUnit.MINUTE.equals(measureArray[0].getUnit())) {
@@ -150,7 +146,6 @@
                 null /* default NumberFormat */,
                 RelativeDateTimeFormatter.Style.LONG,
                 android.icu.text.DisplayContext.CAPITALIZATION_FOR_MIDDLE_OF_SENTENCE);
-        Log.i(TAG, "Locale is: " + locale);
 
         return formatter.format(value, RelativeDateTimeFormatter.Direction.LAST, unit);
     }