Remove duplication between world/chrome shaders.

glsl/chrome-line.vert

@@ -1,7 +0,0 @@
-uniform vec2 r1, r2;		// matrix elements
-void main()
-{
-	vec2 p = gl_Vertex.xy*r1 + r2;
-	gl_Position = vec4(p.x,p.y,0,1);
-	gl_FrontColor = gl_MultiTexCoord0;
-} 

glsl/chrome-shp.vert

@@ -1,17 +0,0 @@
-uniform vec2 r1,r2;		// matrix elements
-
-vec4 DecodeChannelMask( float x )
-{
-	if (x > 0.0)
-		return (x > 0.5) ? vec4(1,0,0,0) : vec4(0,1,0,0);
-	else
-		return (x < -0.5) ? vec4(0,0,0,1) : vec4(0,0,1,0);
-}
-
-void main()
-{
-	vec2 p = gl_Vertex.xy*r1 + r2;
-	gl_Position = vec4(p.x,p.y,0,1);
-	gl_TexCoord[0] = gl_MultiTexCoord0;
-	gl_TexCoord[1] = DecodeChannelMask(gl_MultiTexCoord0.w);
-} 

glsl/world-line.frag

@@ -1,4 +0,0 @@
-void main()
-{
-	gl_FragColor = gl_Color;
-}

glsl/world-shp.frag

@@ -1,8 +0,0 @@
-uniform sampler2D DiffuseTexture, Palette;
-
-void main()
-{
-	vec4 x = texture2D(DiffuseTexture, gl_TexCoord[0].st);
-	vec2 p = vec2( dot(x, gl_TexCoord[1]), gl_TexCoord[0].p );
-	gl_FragColor = texture2D(Palette,p);
-}