Remove external contribution info

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x]
+        node-version: [20.x, 22.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
@@ -28,8 +28,6 @@ jobs:
     # - run: git clone https://github.com/dfinity/motoko.rs ../motoko.rs --depth 1
     - name: Install dfx
       uses: dfinity/setup-dfx@main
-    - name: Install Mops
-      run: npm i -g ic-mops
     - run: dfx cache install
     - run: npm ci
     - run: npm run build --if-present

README.md

@@ -148,6 +148,4 @@ These options may also be passed directly into the `mo-dev` command (e.g. `mo-de
 
 ---
 
-`mo-dev` is early in development. Please feel free to report a bug, ask a question, or request a feature on the project's [GitHub issues](https://github.com/dfinity/motoko-dev-server/issues) page. 
-
-Contributions are welcome! Please check out the [contributor guidelines](https://github.com/dfinity/motoko-dev-server/blob/main/.github/CONTRIBUTING.md) for more information.
+Please feel free to report a bug, ask a question, or request a feature on the project's [GitHub issues](https://github.com/dfinity/motoko-dev-server/issues) page.