[Rust] Remove `mutantdino.resourcemonitor` extension (#665)

* Remove `mutantdino.resourcemonitor` extension

* Bump version

* Revert "Bump version"

This reverts commit e9c514911dd6de6b03e235536e8602f62cbe5b99.

* Bump version

src/rust/devcontainer-feature.json

 {
     "id": "rust",
-    "version": "1.0.12",
+    "version": "1.1.0",
     "name": "Rust",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/rust",
     "description": "Installs Rust, common Rust utilities, and their required dependencies",
@@ -39,7 +39,6 @@
         "vscode": {
             "extensions": [
                 "vadimcn.vscode-lldb",
-                "mutantdino.resourcemonitor",
                 "rust-lang.rust-analyzer",
                 "tamasfe.even-better-toml",
                 "serayuzgur.crates"