Remove some unused atmospherics helpers and forward declarations of unused helper funcs.

indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl

@@ -38,8 +38,6 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
-vec3 scaleDownLight(vec3 light);
-vec3 scaleUpLight(vec3 light);
 
 VARYING vec3 vary_position;
 VARYING vec3 vary_ambient;

indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl

@@ -36,9 +36,6 @@ void calcAtmospherics(vec3 inPositionEye);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
-vec3 scaleDownLight(vec3 light);
-vec3 scaleUpLight(vec3 light);
-
 
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;

indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl

@@ -37,8 +37,6 @@ void calcAtmospherics(vec3 inPositionEye);
 
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
-vec3 scaleDownLight(vec3 light);
-vec3 scaleUpLight(vec3 light);
 
 #ifdef WATER_FOG
 VARYING vec3 vary_position;

indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersF.glsl

@@ -47,9 +47,3 @@ vec3 scaleDownLight(vec3 light)
 	return light;
 }
 
-vec3 scaleUpLight(vec3 light)
-{
-	/* stub function for fallback compatibility on class1 hardware */
-	return light;
-}
-

indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl

@@ -47,9 +47,3 @@ vec3 scaleDownLight(vec3 light)
 	return light;
 }
 
-vec3 scaleUpLight(vec3 light)
-{
-	/* stub function for fallback compatibility on class1 hardware */
-	return light;
-}
-

indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersF.glsl

@@ -42,8 +42,3 @@ vec3 scaleDownLightFrag(vec3 light)
 	return (light / scene_light_strength );
 }
 
-vec3 scaleUpLightFrag(vec3 light)
-{
-	return (light * scene_light_strength);
-}
-

indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersV.glsl

@@ -54,8 +54,3 @@ vec3 scaleDownLight(vec3 light)
 	return (light / scene_light_strength );
 }
 
-vec3 scaleUpLight(vec3 light)
-{
-	return (light * scene_light_strength);
-}
-

indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl

@@ -30,7 +30,6 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
-vec3 scaleUpLight(vec3 light);
 
 uniform vec4 light_position[8];
 uniform vec3 light_direction[8];