Shaders: graster-nodes no-std fixups (#2984)

* wgpu-executor: remove useless features

* wgpu-executor: cleanup copy-pasted code

* gcore-shaders: no_std fixups

node-graph/wgpu-executor/Cargo.toml

@@ -4,11 +4,6 @@ version = "0.1.0"
 edition = "2024"
 license = "MIT OR Apache-2.0"
 
-[features]
-default = []
-profiling = []
-passthrough = []
-
 [dependencies]
 # Local dependencies
 graphene-core = { workspace = true, features = ["wgpu"] }