Disable cdylib for cargo-only branch

It looks like there isn't a proper way to toggle this yet:
rust-lang/cargo#4881

I suppose I should set up some script to automatically update a
"cargo-only" branch then.

native/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [lib]
 name = "godot_rapier3d"
-crate-type = ["cdylib"]
+#crate-type = ["cdylib"]
 
 [dependencies]
 rapier3d = { version = "*", features = ["simd-nightly"] }