[MySQL] Edit to remove deprecated az cli

Author: markingmyname

articles/mysql/flexible-server/connect-azure-cli.md

@@ -125,8 +125,6 @@ newdatabase1> SELECT * FROM table1;
 Time: 0.149s
 newdatabase>exit;
 Goodbye!
-Local context is turned on. Its information is saved in working directory C:\mydir. You can run `az local-context off` to turn it off.
-Your preference of  are now saved to local context. To learn more, type in `az local-context --help`
 ```
 
 ## Run Single Query
@@ -151,8 +149,6 @@ Successfully connected to mysqldemoserver1.
 Ran Database Query: 'select * from table1;'
 Retrieving first 30 rows of query output, if applicable.
 Closed the connection to mysqldemoserver1
-Local context is turned on. Its information is saved in working directory C:\Users\<username>. You can run `az local-context off` to turn it off.
-Your preference of  are now saved to local context. To learn more, type in `az local-context --help`
 Txt    Val
 -----  -----
 test   200