fix(config): remove theme config (#44)

.gitpod.yml

@@ -8,7 +8,3 @@ ports:
 tasks:
   - init: npm install
     command: npm run start
-
-vscode:
-  extensions:
-    - https://github.com/freeCodeCamp/freecodecamp-dark-vscode-theme/releases/download/v1.0.0/freecodecamp-dark-vscode-theme-1.0.0.vsix

.vscode/settings.json

@@ -1,3 +0,0 @@
-{
-  "workbench.colorTheme": "freeCodeCamp Dark Theme"
-}