Revert "Serve command (#3)"

This reverts commit 3cf6546.

example/package.json

@@ -8,7 +8,6 @@
     "similar": "node ../dist/cli.js similar ./schemas/similar.graphql",
     "similar:type": "node ../dist/cli.js similar ./schemas/similar.graphql --type Post",
     "similar:loose": "node ../dist/cli.js similar ./schemas/similar.graphql --threshold 0.1",
-    "serve": "node ../dist/cli.js serve ./schemas/schema.graphql",
     "open-help": "node ../dist/cli.js --help"
   }
 }

package.json

@@ -43,7 +43,6 @@
     "@types/jest": "23.3.9",
     "@types/log-symbols": "2.0.0",
     "@types/node-fetch": "2.1.3",
-    "@types/opn": "5.1.0",
     "@types/string-similarity": "1.2.0",
     "graphql": "14.0.2",
     "graphql-tag": "2.10.0",
@@ -54,15 +53,13 @@
     "typescript": "3.1.6"
   },
   "dependencies": {
-    "apollo-server": "2.2.2",
     "chalk": "2.4.1",
     "commander": "2.19.0",
     "glob": "7.1.3",
     "is-glob": "4.0.0",
     "is-valid-path": "0.1.1",
     "log-symbols": "2.2.0",
     "node-fetch": "2.3.0",
-    "opn": "5.4.0",
     "string-similarity": "2.0.0"
   }
 }

src/cli.ts

@@ -5,7 +5,6 @@ import * as commander from 'commander';
 import {diff} from './cli/commands/diff';
 import {validate} from './cli/commands/validate';
 import {similar} from './cli/commands/similar';
-import {serve} from './cli/commands/serve';
 
 commander
   .command('diff <old> <new>')
@@ -26,9 +25,4 @@ commander
     similar(schema, cmd.type, cmd.threshold);
   });
 
-commander
-  .command('serve <schema>')
-  .description('Serves a GraphQL API with GraphQL Playground')
-  .action(serve);
-
 commander.parse(process.argv);

tsconfig.json

@@ -12,7 +12,6 @@
     "noUnusedParameters": true,
 
     "moduleResolution": "node",
-    "allowSyntheticDefaultImports": true,
     "baseUrl": "./",
     "types": [],
     "lib": [