Address warnings pointed out by clang

Change-Id: I7943f6c7f9ba08f283a3116adc2af29495f04a21

native/jni/src/suggest/core/layout/proximity_info_utils.h

@@ -129,7 +129,7 @@ class ProximityInfoUtils {
     struct NormalDistribution {
      public:
         NormalDistribution(const float u, const float sigma)
-                : mU(u), mSigma(sigma),
+                : mU(u),
                   mPreComputedNonExpPart(1.0f / sqrtf(2.0f * M_PI_F
                           * GeometryUtils::SQUARE_FLOAT(sigma))),
                   mPreComputedExponentPart(-1.0f / (2.0f * GeometryUtils::SQUARE_FLOAT(sigma))) {}
@@ -143,7 +143,6 @@ class ProximityInfoUtils {
      private:
         DISALLOW_IMPLICIT_CONSTRUCTORS(NormalDistribution);
         const float mU; // mean value
-        const float mSigma; // standard deviation
         const float mPreComputedNonExpPart; // = 1 / sqrt(2 * PI * sigma^2)
         const float mPreComputedExponentPart; // = -1 / (2 * sigma^2)
     }; // struct NormalDistribution

native/jni/src/suggest/policyimpl/dictionary/shortcut/ver4_shortcut_list_policy.h

@@ -31,8 +31,7 @@ class Ver4ShortcutListPolicy : public DictionaryShortcutsStructurePolicy {
  public:
     Ver4ShortcutListPolicy(ShortcutDictContent *const shortcutDictContent,
             const TerminalPositionLookupTable *const terminalPositionLookupTable)
-            : mShortcutDictContent(shortcutDictContent),
-              mTerminalPositionLookupTable(terminalPositionLookupTable) {}
+            : mShortcutDictContent(shortcutDictContent) {}
 
     ~Ver4ShortcutListPolicy() {}
 
@@ -104,7 +103,6 @@ class Ver4ShortcutListPolicy : public DictionaryShortcutsStructurePolicy {
     DISALLOW_IMPLICIT_CONSTRUCTORS(Ver4ShortcutListPolicy);
 
     ShortcutDictContent *const mShortcutDictContent;
-    const TerminalPositionLookupTable *const mTerminalPositionLookupTable;
 };
 } // namespace latinime
 #endif // LATINIME_VER4_SHORTCUT_LIST_POLICY_H