chore: remove unused extensions from Gitpod/Codespaces (#1312)

Author: niko-achilles

Diff for: .devcontainer/devcontainer.json

@@ -22,7 +22,6 @@
     "firsttris.vscode-jest-runner",
     "visualstudioexptteam.vscodeintellicode",
     "amazonwebservices.aws-toolkit-vscode",
-    "ms-vscode.vscode-typescript-tslint-plugin",
     "ms-azuretools.vscode-docker"
   ],
   // Use 'postCreateCommand' to run commands after the container is created.

Diff for: .gitpod.yml

@@ -17,5 +17,4 @@ vscode:
     - dbaeumer.vscode-eslint
     - esbenp.prettier-vscode
     - firsttris.vscode-jest-runner
-    - ms-azuretools.vscode-docker
-    - ms-vscode.vscode-typescript-tslint-plugin
+    - ms-azuretools.vscode-docker