Theme: Remove TH_UV_OTHERS from bTheme

`TH_UV_OTHERS` is a theme option that isn't hooked to anything since
blender 2.80. This patch will remove the option and related code.

Reviewed By: Campbell Barton

Differential Revision: https://developer.blender.org/D8669

source/blender/editors/include/UI_resources.h

@@ -262,7 +262,6 @@ typedef enum ThemeColorID {
   TH_PAINT_CURVE_PIVOT,
 
   TH_UV_SHADOW,
-  TH_UV_OTHERS,
 
   TH_FREESTYLE_EDGE_MARK,
   TH_FREESTYLE_FACE_MARK,

source/blender/editors/interface/resources.c

@@ -774,9 +774,6 @@ const uchar *UI_ThemeGetColorPtr(bTheme *btheme, int spacetype, int colorid)
           cp = ts->metadatatext;
           break;
 
-        case TH_UV_OTHERS:
-          cp = ts->uv_others;
-          break;
         case TH_UV_SHADOW:
           cp = ts->uv_shadow;
           break;

source/blender/makesdna/DNA_userdef_types.h

@@ -327,7 +327,7 @@ typedef struct ThemeSpace {
   unsigned char syntaxd[4], syntaxr[4];  // in nodespace used for distort
 
   unsigned char line_numbers[4];
-  char _pad6[7];
+  char _pad6[3];
 
   unsigned char nodeclass_output[4], nodeclass_filter[4];
   unsigned char nodeclass_vector[4], nodeclass_texture[4];
@@ -372,8 +372,6 @@ typedef struct ThemeSpace {
 
   /** Two uses, for uvs with modifier applied on mesh and uvs during painting. */
   unsigned char uv_shadow[4];
-  /** Uvs of other objects. */
-  unsigned char uv_others[4];
 
   /** Outliner - filter match. */
   unsigned char match[4];

source/blender/makesrna/intern/rna_userdef.c

@@ -3039,12 +3039,6 @@ static void rna_def_userdef_theme_space_image(BlenderRNA *brna)
   RNA_def_property_ui_text(prop, "Texture paint/Modifier UVs", "");
   RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
 
-  prop = RNA_def_property(srna, "uv_others", PROP_FLOAT, PROP_COLOR_GAMMA);
-  RNA_def_property_float_sdna(prop, NULL, "uv_others");
-  RNA_def_property_array(prop, 4);
-  RNA_def_property_ui_text(prop, "Other Object UVs", "");
-  RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
-
   prop = RNA_def_property(srna, "frame_current", PROP_FLOAT, PROP_COLOR_GAMMA);
   RNA_def_property_float_sdna(prop, NULL, "cframe");
   RNA_def_property_array(prop, 3);