Remove MAX_PROXIMITY_CHARS_SIZE_INTERNAL

Change-Id: I18a997503de4033b5341b564145bca862a872098
diff --git a/native/jni/src/proximity_info.h b/native/jni/src/proximity_info.h
index cd0bc32..6d571d7 100644
--- a/native/jni/src/proximity_info.h
+++ b/native/jni/src/proximity_info.h
@@ -28,7 +28,7 @@
 
 class ProximityInfo {
  public:
-    ProximityInfo(JNIEnv *env, const jstring localeJStr, const int maxProximityCharsSize,
+    ProximityInfo(JNIEnv *env, const jstring localeJStr,
             const int keyboardWidth, const int keyboardHeight, const int gridWidth,
             const int gridHeight, const int mostCommonKeyWidth, const jintArray proximityChars,
             const int keyCount, const jintArray keyXCoordinates, const jintArray keyYCoordinates,
@@ -126,7 +126,6 @@
     float calculateNormalizedSquaredDistance(const int keyIndex, const int inputIndex) const;
     bool hasInputCoordinates() const;
 
-    const int MAX_PROXIMITY_CHARS_SIZE;
     const int GRID_WIDTH;
     const int GRID_HEIGHT;
     const int MOST_COMMON_KEY_WIDTH;