Stop removing files during test setup

Now that we have a watch command to check when our test files
need updating, we don't need to do this step during the setup.

Co-authored-by: Andrew Eisenberg <aeisenberg@github.com>

Author: elenatanasoiu

extensions/ql-vscode/package.json

@@ -1257,11 +1257,10 @@
     "test": "npm-run-all -p test:*",
     "test:unit": "mocha --config .mocharc.json test/pure-tests/**/*.ts",
     "test:view": "jest",
-    "integration-setup": "rm -rf ./out/vscode-tests",
-    "integration": "npm run integration-setup && node ./out/vscode-tests/run-integration-tests.js no-workspace,minimal-workspace",
-    "integration:no-workspace": "npm run integration-setup && node ./out/vscode-tests/run-integration-tests.js no-workspace",
-    "integration:minimal-workspace": "npm run integration-setup && node ./out/vscode-tests/run-integration-tests.js minimal-workspace",
-    "cli-integration": "npm run integration-setup && node ./out/vscode-tests/run-integration-tests.js cli-integration",
+    "integration": "node ./out/vscode-tests/run-integration-tests.js no-workspace,minimal-workspace",
+    "integration:no-workspace": "node ./out/vscode-tests/run-integration-tests.js no-workspace",
+    "integration:minimal-workspace": "node ./out/vscode-tests/run-integration-tests.js minimal-workspace",
+    "cli-integration": "node ./out/vscode-tests/run-integration-tests.js cli-integration",
     "update-vscode": "node ./node_modules/vscode/bin/install",
     "format": "tsfmt -r && eslint . --ext .ts,.tsx --fix",
     "lint": "eslint . --ext .ts,.tsx --max-warnings=0",