Remove unused

Fixes #786
Fixes #797

src/mbgl/style/style_bucket.hpp

@@ -19,7 +19,6 @@ class Source;
 
 class StyleBucketFill {
 public:
-    WindingType winding = WindingType::NonZero;
 };
 
 class StyleBucketLine {
@@ -68,7 +67,6 @@ public:
         TextAnchorType anchor = TextAnchorType::Center;
         float max_angle = 45.0f /* degrees */;
         float rotate = 0.0f;
-        float slant = 0.0f;
         float padding = 2.0f;
         bool keep_upright = true;
         TextTransformType transform = TextTransformType::None;

src/mbgl/style/types.hpp

@@ -62,18 +62,6 @@ MBGL_DEFINE_ENUM_CLASS(VisibilityTypeClass, VisibilityType, {
 
 // -------------------------------------------------------------------------------------------------
 
-enum class WindingType : bool {
-    EvenOdd,
-    NonZero,
-};
-
-MBGL_DEFINE_ENUM_CLASS(WindingTypeClass, WindingType, {
-    { WindingType::EvenOdd, "even-odd" },
-    { WindingType::NonZero, "non-zero" },
-});
-
-// -------------------------------------------------------------------------------------------------
-
 enum class CapType : uint8_t {
     Round,
     Butt,