Remove redundant settings from default launch.json config settings

Fixes microsoft#1553

Author: DonJayamanne

package.json

@@ -98,7 +98,7 @@
  {
  "command": "python.execSelectionInTerminal",
  "key": "ctrl+enter",
- "when": "editorFocus && editorHasSelection && editorLangId == python" 
+ "when": "editorFocus && editorHasSelection && editorLangId == python"
  }
  ],
  "commands": [
@@ -1078,8 +1078,6 @@
  "name": "Python Experimental: Attach",
  "type": "pythonExperimental",
  "request": "attach",
- "localRoot": "${workspaceFolder}",
- "remoteRoot": "${workspaceFolder}",
  "port": 3000,
  "host": "localhost"
  },