Route misc untested scripts through USE shaper instead of Indic

These were never tested with Indic shaper, and indeed wouldn't work there
because they didn't have their viramas and other config defined.  They are
all also supported by MS through USE, so route them there.

src/hb-ot-shape-complex-private.hh

@@ -218,61 +218,9 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
 
     /* ^--- Add new shapers here */
 
-
 #if 0
-    /* Note:
-     *
-     * These disabled scripts are listed in ucd/IndicSyllabicCategory.txt, but according
-     * to Martin Hosken and Jonathan Kew do not require complex shaping.
-     *
-     * TODO We should automate figuring out which scripts do not need complex shaping
-     *
-     * TODO We currently keep data for these scripts in our indic table.  Need to fix the
-     * generator to not do that.
-     */
-
-
-    /* Simple? */
-
-    /* Unicode-3.2 additions */
-    case HB_SCRIPT_BUHID:
-    case HB_SCRIPT_HANUNOO:
-
-    /* Unicode-5.1 additions */
-    case HB_SCRIPT_SAURASHTRA:
-
-    /* Unicode-6.0 additions */
-    case HB_SCRIPT_BATAK:
-    case HB_SCRIPT_BRAHMI:
-
-
-    /* Simple */
-
-    /* Unicode-1.1 additions */
-    /* These have their own shaper now. */
-    case HB_SCRIPT_LAO:
-    case HB_SCRIPT_THAI:
-
-    /* Unicode-3.2 additions */
-    case HB_SCRIPT_TAGALOG:
-    case HB_SCRIPT_TAGBANWA:
-
-    /* Unicode-4.0 additions */
-    case HB_SCRIPT_LIMBU:
-    case HB_SCRIPT_TAI_LE:
-
     /* Unicode-4.1 additions */
-    case HB_SCRIPT_KHAROSHTHI:
     case HB_SCRIPT_NEW_TAI_LUE:
-    case HB_SCRIPT_SYLOTI_NAGRI:
-
-    /* Unicode-5.1 additions */
-    case HB_SCRIPT_KAYAH_LI:
-
-    /* Unicode-5.2 additions */
-    case HB_SCRIPT_TAI_VIET:
-
-
 #endif
 
     /* Unicode-1.1 additions */
@@ -289,25 +237,8 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
     /* Unicode-3.0 additions */
     case HB_SCRIPT_SINHALA:
 
-    /* Unicode-5.0 additions */
-    case HB_SCRIPT_BALINESE:
-
-    /* Unicode-5.1 additions */
-    case HB_SCRIPT_LEPCHA:
-    case HB_SCRIPT_REJANG:
-    case HB_SCRIPT_SUNDANESE:
-
     /* Unicode-5.2 additions */
     case HB_SCRIPT_JAVANESE:
-    case HB_SCRIPT_KAITHI:
-    case HB_SCRIPT_MEETEI_MAYEK:
-
-    /* Unicode-6.0 additions */
-
-    /* Unicode-6.1 additions */
-    case HB_SCRIPT_CHAKMA:
-    case HB_SCRIPT_SHARADA:
-    case HB_SCRIPT_TAKRI:
 
       /* If the designer designed the font for the 'DFLT' script,
        * use the default shaper.  Otherwise, use the Indic shaper.
@@ -385,35 +316,35 @@ hb_ot_shape_complex_categorize (const hb_ot_shape_planner_t *planner)
     case HB_SCRIPT_TIFINAGH:
 
     /* Unicode-5.0 additions */
-    //case HB_SCRIPT_BALINESE:
+    case HB_SCRIPT_BALINESE:
     //case HB_SCRIPT_NKO:
     //case HB_SCRIPT_PHAGS_PA:
 
     /* Unicode-5.1 additions */
     //case HB_SCRIPT_CHAM:
     case HB_SCRIPT_KAYAH_LI:
-    //case HB_SCRIPT_LEPCHA:
-    //case HB_SCRIPT_REJANG:
+    case HB_SCRIPT_LEPCHA:
+    case HB_SCRIPT_REJANG:
     case HB_SCRIPT_SAURASHTRA:
-    //case HB_SCRIPT_SUNDANESE:
+    case HB_SCRIPT_SUNDANESE:
 
     /* Unicode-5.2 additions */
     case HB_SCRIPT_EGYPTIAN_HIEROGLYPHS:
     //case HB_SCRIPT_JAVANESE:
-    //case HB_SCRIPT_KAITHI:
-    //case HB_SCRIPT_MEETEI_MAYEK:
+    case HB_SCRIPT_KAITHI:
+    case HB_SCRIPT_MEETEI_MAYEK:
     //case HB_SCRIPT_TAI_THAM:
-    //case HB_SCRIPT_TAI_VIET:
+    case HB_SCRIPT_TAI_VIET:
 
     /* Unicode-6.0 additions */
-    //case HB_SCRIPT_BATAK:
+    case HB_SCRIPT_BATAK:
     case HB_SCRIPT_BRAHMI:
     //case HB_SCRIPT_MANDAIC:
 
     /* Unicode-6.1 additions */
-    //case HB_SCRIPT_CHAKMA:
-    //case HB_SCRIPT_SHARADA:
-    //case HB_SCRIPT_TAKRI:
+    case HB_SCRIPT_CHAKMA:
+    case HB_SCRIPT_SHARADA:
+    case HB_SCRIPT_TAKRI:
 
     /* Unicode-7.0 additions */
     case HB_SCRIPT_DUPLOYAN: