move the HDR shaders to their own directory, since they have specific requirements

hdr/crt-sony-pvm-4k-hdr.slangp

@@ -34,7 +34,7 @@ TODO: Make the horizontal scanlines more blurry in the vertical direction - we'r
 shaders = "4"
 feedback_pass = "0"
 
-shader0 = "../../slang-shaders/stock.slang"
+shader0 = "../stock.slang"
 filter_linear0 = false
 wrap_mode0 = "clamp_to_border"
 mipmap_input0 = "false"
@@ -46,7 +46,7 @@ scale_x0 = "1.000000"
 scale_type_y0 = "source"
 scale_y0 = "1.000000"
 
-shader1 = "../../slang-shaders/misc/inverse_tonemap.slang"
+shader1 = "shaders/inverse_tonemap.slang"
 filter_linear1 = "false"
 wrap_mode1 = "clamp_to_border"
 mipmap_input1 = "false"
@@ -58,7 +58,7 @@ scale_x1 = "1.000000"
 scale_type_y1 = "source"
 scale_y1 = "1.000000"
 
-shader2 = "../../slang-shaders/misc/hdr10.slang"
+shader2 = "shaders/hdr10.slang"
 filter_linear2 = "false"
 wrap_mode2 = "clamp_to_border"
 mipmap_input2 = "false"
@@ -70,10 +70,10 @@ scale_x2 = "1.000000"
 scale_type_y2 = "source"
 scale_y2 = "1.000000"
 
-shader3 = "../../slang-shaders/crt/shaders/crt-sony-pvm-4k-hdr.slang"
+shader3 = "shaders/crt-sony-pvm-4k-hdr.slang"
 filter_linear3 = "false"
 wrap_mode3 = "clamp_to_border"
 mipmap_input3 = "false"
 alias3 = ""
 float_framebuffer3 = "false"
-srgb_framebuffer3 = "false"
+srgb_framebuffer3 = "false"