Fixing README.md files

Author: munozemilio

packages/cli/README.md

@@ -415,7 +415,7 @@ _See code: [@oclif/plugin-plugins](https://github.com/oclif/plugin-plugins/blob/
 
 ## `bf qnamaker`
 
-QnA Maker CLI (Preview version)
+QnA Maker
 
 ```
 USAGE

packages/qnamaker/README.md

@@ -36,7 +36,7 @@
 
 ## `bf qnamaker`
 
-QnA Maker CLI (Preview version)
+QnA Maker
 
 ```
 USAGE

packages/qnamaker/src/commands/qnamaker/index.ts

@@ -1,7 +1,7 @@
 import {Command, flags} from '@microsoft/bf-cli-command'
 
 export default class QnamakerIndex extends Command {
-  static description = 'QnA Maker CLI (Preview version)'
+  static description = 'QnA Maker'
 
   static flags: flags.Input<any> = {
     help: flags.help({char: 'h', description: 'Display QnA Maker CLI available commnads'}),

packages/qnamaker/src/commands/qnamaker/update/index.ts

@@ -5,7 +5,6 @@ export default class QnamakerUpdateIndex extends Command {
 
   static flags: flags.Input<any> = {
     help: flags.help({char: 'h', description: 'display qnamaker:update available commands'}),
-
   }
 
   async run() {