remove SkDescriptor API fuzzer

SkDescriptor's programatic API is neither
exposed for untrusted use nor harded for it.
Why are we fuzzing it?

Do we need a change in oss-fuzz before deleting this?

Bug: oss-fuzz:19648
Bug: oss-fuzz:24417
Change-Id: Id8d075938d831ec8cad4014c8fe6efaef46edb55
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/307177
Reviewed-by: Kevin Lubick <[email protected]>
Reviewed-by: Herb Derby <[email protected]>
Auto-Submit: Mike Klein <[email protected]>
Commit-Queue: Mike Klein <[email protected]>

Author: Mike Klein

BUILD.gn

@@ -2113,7 +2113,6 @@ if (skia_enable_tools) {
       "fuzz/FuzzPathop.cpp",
       "fuzz/FuzzPolyUtils.cpp",
       "fuzz/FuzzRegionOp.cpp",
-      "fuzz/FuzzSkDescriptor.cpp",
       "fuzz/oss_fuzz/FuzzAndroidCodec.cpp",
       "fuzz/oss_fuzz/FuzzAnimatedImage.cpp",
       "fuzz/oss_fuzz/FuzzImage.cpp",

fuzz/FuzzMain.cpp

@@ -274,7 +274,6 @@ static std::map<std::string, std::string> cf_api_map = {
     {"api_pathop", "Pathop"},
     {"api_polyutils", "PolyUtils"},
     {"api_raster_n32_canvas", "RasterN32Canvas"},
-    {"api_skdescriptor", "SkDescriptor"},
     {"api_svg_canvas", "SVGCanvas"},
     {"jpeg_encoder", "JPEGEncoder"},
     {"png_encoder", "PNGEncoder"},