Remove SkPreprocessorSeq.h and SkTypedEnum.h.

These were added to allow the use of typed enums before typed enums were
available on all platforms. Now that typed enums are available, just use
them directly.

Review-Url: https://codereview.chromium.org/2254513002
diff --git a/src/sfnt/SkOTTable_maxp_TT.h b/src/sfnt/SkOTTable_maxp_TT.h
index 1fdd0ed..d459997 100644
--- a/src/sfnt/SkOTTable_maxp_TT.h
+++ b/src/sfnt/SkOTTable_maxp_TT.h
@@ -10,7 +10,6 @@
 
 #include "SkEndian.h"
 #include "SkOTTableTypes.h"
-#include "SkTypedEnum.h"
 
 #pragma pack(push, 1)
 
@@ -24,11 +23,10 @@
     SK_OT_USHORT maxCompositePoints;
     SK_OT_USHORT maxCompositeContours;
     struct MaxZones {
-        SK_TYPED_ENUM(Value, SK_OT_USHORT,
-            ((DoesNotUseTwilightZone, SkTEndian_SwapBE16(1)))
-            ((UsesTwilightZone, SkTEndian_SwapBE16(2)))
-            SK_SEQ_END,
-        (value)SK_SEQ_END)
+        enum Value : SK_OT_USHORT {
+            DoesNotUseTwilightZone = SkTEndian_SwapBE16(1),
+            UsesTwilightZone = SkTEndian_SwapBE16(2),
+        } value;
     } maxZones;
     SK_OT_USHORT maxTwilightPoints;
     SK_OT_USHORT maxStorage;