Fix eglot rust-analyzer settings.

It was causing problems (errors during build) while not providing much benefit for my use-cases.

nix/configuration/roles/emacs/files/emacs/elisp/lang-rust.el

@@ -46,7 +46,7 @@
                              (when rust-analyzer-command
                                ;; (add-to-list 'eglot-server-programs `(rust-ts-mode . (,rust-analyzer-command)))
                                (add-to-list 'eglot-server-programs `(rust-ts-mode . (,rust-analyzer-command :initializationOptions (:imports (:granularity (:enforce t :group "item")
-                                                                                                                                                           :merge (:glob nil)
+                                                                                                                                                           :merge (:glob :json-false)
                                                                                                                                                            :prefix "self")
                                                                                                                                              ))))
                                )

nix/configuration/roles/rust/files/cargo_config.toml

@@ -1,12 +1,12 @@
-[target.x86_64-unknown-linux-gnu]
-rustflags = ["-C", "target-cpu=native", "-Zthreads=0"]
+# [target.x86_64-unknown-linux-gnu]
+# rustflags = ["-C", "target-cpu=native", "-Zthreads=0"]
 
-[unstable]
-codegen-backend = true
+# [unstable]
+# codegen-backend = true
 
-[profile.dev]
-codegen-backend = "cranelift"
+# [profile.dev]
+# codegen-backend = "cranelift"
 
 [profile.dev.package."*"]
-codegen-backend = "llvm"
+# codegen-backend = "llvm"
 opt-level = 3