Removed unused constants to squelch warnings

Samples/invaders/src/Game.cpp

@@ -50,7 +50,6 @@ const int INVADER_SPACING_Y = 48;
 const int INVADER_START_Y = 96;
 
 const float INVADER_MOVEMENT = 10;
-const float INVADER_START_MOVE_FREQ = 0.5f;
 const float INVADER_UPDATE_MODIFIER = 0.7f;
 
 const int MOTHERSHIP = NUM_INVADERS;

Samples/invaders/src/Mothership.cpp

@@ -32,7 +32,6 @@
 #include "Sprite.h"
 
 const int SPRITE_WIDTH = 64;
-const int SPRITE_HEIGHT = 28;
 
 const float APPEARANCE_PROBABILITY = 0.001f;
 const float UPDATE_FREQ = 0.025f;

Samples/pyinvaders/src/Game.cpp

@@ -49,7 +49,6 @@ const int INVADER_SPACING_Y = 48;
 const int INVADER_START_Y = 96;
 
 const float INVADER_MOVEMENT = 10;
-const float INVADER_START_MOVE_FREQ = 0.5f;
 const float INVADER_UPDATE_MODIFIER = 0.7f;
 
 const int MOTHERSHIP = NUM_INVADERS;

Samples/pyinvaders/src/Mothership.cpp

@@ -32,7 +32,6 @@
 #include "Sprite.h"
 
 const int SPRITE_WIDTH = 64;
-const int SPRITE_HEIGHT = 28;
 
 const float APPEARANCE_PROBABILITY = 0.001f;
 const float UPDATE_FREQ = 0.025f;

Samples/tutorial/datagrid_tree/src/HighScores.cpp

@@ -15,9 +15,6 @@
 #include <Rocket/Core.h>
 #include <stdio.h>
 
-static const char* ALIEN_NAMES[] = { "Drone", "Beserker", "Death-droid" };
-static int ALIEN_SCORES[] = { 10, 20, 40 };
-
 HighScores* HighScores::instance = NULL;
 
 HighScores::HighScores() : Rocket::Controls::DataSource("high_scores")