Remove unused Device::CopyBindGroup

next.json

@@ -495,15 +495,6 @@
             {
                 "name": "tick"
             },
-            {
-                "name": "copy bind groups",
-                "args": [
-                    {"name": "start", "type": "uint32_t"},
-                    {"name": "count", "type": "uint32_t"},
-                    {"name": "source", "type": "bind group"},
-                    {"name": "target", "type": "bind group"}
-                ]
-            },
             {
                 "name": "set error callback",
                 "args": [

src/backend/Device.cpp

@@ -134,10 +134,6 @@ namespace backend {
         TickImpl();
     }
 
-    void DeviceBase::CopyBindGroups(uint32_t start, uint32_t count, BindGroupBase* source, BindGroupBase* target) {
-        // TODO(cwallez@chromium.org): update state tracking then call the backend
-    }
-
     void DeviceBase::Reference() {
         ASSERT(refCount != 0);
         refCount++;