Reduce usage of * in vscode-extension-samples

There are currently 11 sample extensions which are * activated. We should update them to not be * activated:

11 rësµlts - 11 fïlës

• basic-multi-root-sample\package.json:
  18 ],
  19: "activationEvents": [
  20: "*"
  21 ],

• codelens-sample\package.json:
  18 ],
  19: "activationEvents": [
  20: "*"
  21 ],

• comment-sample\package.json:
  18 ],
  19: "activationEvents": [
  20: "*"
  21 ],

• completions-sample\package.json:
  17 ],
  18: "activationEvents": [
  19: "*"
  20 ],

• decorator-sample\package.json:
  15 ],
  16: "activationEvents": [
  17: "*"
  18 ],

• diagnostic-related-information-sample\package.json:
  18 ],
  19: "activationEvents": [
  20: "*"
  21 ],

• github-authentication-sample\package.json:
  18 ],
  19: "activationEvents": [
  20: "*"
  21 ],

• inline-completions\package.json:
  16 ],
  17: "activationEvents": [
  18: "*"
  19 ],

• progress-sample\package.json:
  21 ],
  22: "activationEvents": [
  23: "*"
  24 ],

• statusbar-sample\package.json:
  21 ],
  22: "activationEvents": [
  23: "*"
  24 ],

• vim-sample\package.json:
  18 ],
  19: "activationEvents": [
  20: "*"
  21 ],