Removed Unused Uniforms

uniform vec3 viewUp;
uniform float deltaTime;

examples/shaders/resources/shaders/glsl100/raymarching.fs

@@ -8,8 +8,6 @@ varying vec4 fragColor;
 
 uniform vec3 viewEye;
 uniform vec3 viewCenter; 
-uniform vec3 viewUp;
-uniform float deltaTime;
 uniform float runTime;
 uniform vec2 resolution;
 
@@ -428,4 +426,4 @@ void main()
 #endif
 
     gl_FragColor = vec4( tot, 1.0 );
-}
+}