chore(monorepo): remove deprecated gitpod

_regroup/.gitpod.dockerfile

@@ -1,15 +0,0 @@
-FROM gitpod/workspace-full
-
-RUN sudo apt-get update \
-    && sudo apt-get install -yq --no-install-recommends \
-        libpng16-16 \
-        libpng-dev \
-        pkg-config \
-        autoconf \
-        libtool \
-        build-essential \
-        nasm \
-        libx11-dev \
-        libxkbfile-dev \
-    && sudo rm -rf /var/lib/apt/lists/*
-

_regroup/.gitpod.yml

@@ -1,11 +0,0 @@
-image:
-  file: .gitpod.dockerfile
-
-tasks:
-    - before: nvm install 20.15.1 && nvm use 20.15.1
-      init: npm install
-      command: npm run server:start
-
-ports:
-    - port: 8080
-      onOpen: open-preview