Clean legacy code (#3469)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

shaders/fill_extrusion.vertex.glsl

@@ -1,14 +1,46 @@
-uniform mat4 u_matrix;
-uniform vec3 u_lightcolor;
-uniform lowp vec3 u_lightpos;
-uniform lowp float u_lightintensity;
-uniform float u_vertical_gradient;
-uniform lowp float u_opacity;
-
 layout (location = 0) in vec2 a_pos;
 layout (location = 1) in vec4 a_normal_ed;
 out vec4 v_color;
 
+layout (std140) uniform FillExtrusionDrawableUBO {
+    highp mat4 u_matrix;
+    highp vec2 u_pixel_coord_upper;
+    highp vec2 u_pixel_coord_lower;
+    highp float u_height_factor;
+    highp float u_tile_ratio;
+    // Interpolations
+    highp float u_base_t;
+    highp float u_height_t;
+    highp float u_color_t;
+    highp float u_pattern_from_t;
+    highp float u_pattern_to_t;
+    lowp float drawable_pad1;
+};
+
+layout (std140) uniform FillExtrusionTilePropsUBO {
+    highp vec4 u_pattern_from;
+    highp vec4 u_pattern_to;
+    highp vec2 u_texsize;
+    lowp float tileprops_pad1;
+    lowp float tileprops_pad2;
+};
+
+layout (std140) uniform FillExtrusionPropsUBO {
+    highp vec4 u_color;
+    highp vec3 u_lightcolor;
+    lowp float props_pad1;
+    highp vec3 u_lightpos;
+    highp float u_base;
+    highp float u_height;
+    highp float u_lightintensity;
+    highp float u_vertical_gradient;
+    highp float u_opacity;
+    highp float u_fade;
+    highp float u_from_scale;
+    highp float u_to_scale;
+    lowp float props_pad2;
+};
+
 #pragma mapbox: define highp float base
 #pragma mapbox: define highp float height
 #pragma mapbox: define highp vec4 color