Clean up dangling treegen/-folder

treegen/package.json

@@ -1,35 +0,0 @@
-{
-  "name": "@samvv/treegen",
-  "private": true,
-  "version": "1.0.0",
-  "description": "A tool to generate definitions for an arbitrary abstract syntax tree (AST)",
-  "main": "lib/index.js",
-  "bin": {
-    "treegen": "lib/bin/treegen.js"
-  },
-  "scripts": {
-    "test": "mocha lib/test"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/samvv/BoltJS.git"
-  },
-  "keywords": [
-    "ast",
-    "tree",
-    "code-generator"
-  ],
-  "author": "Sam Vervaeck <samvv@pm.me>",
-  "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/samvv/BoltJS/issues"
-  },
-  "homepage": "https://github.com/samvv/BoltJS#readme",
-  "devDependencies": {
-    "@types/minimist": "^1.2.0",
-    "pegjs": "^0.11.0-master.b7b87ea"
-  },
-  "dependencies": {
-    "minimist": "^1.2.5"
-  }
-}

treegen/tsconfig.json

@@ -1,13 +0,0 @@
-{
-  "compilerOptions": {
-    "target": "es2017",
-    "module": "commonjs",
-    "outDir": "./lib",
-    "removeComments": true,
-    "strict": true,
-    "esModuleInterop": true,
-    "inlineSourceMap": true,
-    "experimentalDecorators": true,
-    "emitDecoratorMetadata": true
-  }
-}