tinygltf: Remove vendor install (#6298)

packages/t/tinygltf/xmake.lua

@@ -22,7 +22,8 @@ package("tinygltf")
     on_install(function (package)
         local configs = {
             "-DTINYGLTF_BUILD_LOADER_EXAMPLE=OFF",
-            "-DTINYGLTF_HEADER_ONLY=ON"
+            "-DTINYGLTF_HEADER_ONLY=ON",
+            "-DTINYGLTF_INSTALL_VENDOR=OFF",
         }
         table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:is_debug() and "Debug" or "Release"))
         table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))