refactor: 🔥 Remove Devcontainer

It was useless and nobody has ever used it once.

.devcontainer/Dockerfile

@@ -1,9 +0,0 @@
-# Bun doesn't run well on Musl but this seems to work
-FROM oven/bun:1.2.17-alpine as base
-
-# Switch to Bash by editing /etc/passwd
-RUN apk add --no-cache libstdc++ git bash curl openssh cloc && \
-    sed -i -e 's|/bin/ash|/bin/bash|g' /etc/passwd
-
-# Extract Node from its docker image (node:22-alpine)
-COPY --from=node:22-alpine /usr/local/bin/node /usr/local/bin/node

.devcontainer/devcontainer.json

@@ -1,34 +0,0 @@
-{
-    "name": "versia Dev Container",
-    "dockerFile": "Dockerfile",
-    "runArgs": [
-        "-v",
-        "${localWorkspaceFolder}/config:/workspace/config",
-        "-v",
-        "${localWorkspaceFolder}/logs:/workspace/logs",
-        "-v",
-        "${localWorkspaceFolder}/uploads:/workspace/uploads",
-        "--network=host"
-    ],
-    "mounts": [
-        "source=node_modules,target=/workspace/node_modules,type=bind,consistency=cached",
-        "type=bind,source=/home/${localEnv:USER}/.ssh,target=/root/.ssh,readonly"
-    ],
-    "customizations": {
-        "vscode": {
-            "settings": {
-                "terminal.integrated.shell.linux": "/bin/bash"
-            },
-            "extensions": [
-                "biomejs.biome",
-                "ms-vscode-remote.remote-containers",
-                "oven.bun-vscode",
-                "vivaxy.vscode-conventional-commits",
-                "EditorConfig.EditorConfig",
-                "tamasfe.even-better-toml",
-                "YoavBls.pretty-ts-errors",
-                "eamodio.gitlens"
-            ]
-        }
-    }
-}