[202305][Mellanox]: Disable MFT bash autocompletion

[nazariig]

A W/A to overcome delay of about 20 sec on login due to MFT bash autocompletion bug.
Should be reverted once a formal solution will be available in future MFT release.

Why I did it

• To overcome SN2700 20 sec delay on login

Work item tracking

• N/A

How I did it

• Removed MFT bash autocompletion part

How to verify it

1. make configure PLATFORM=mellanox
2. make target/sonic-mellanox.bin

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012
• 202106
• 202111
• 202205
• 202211
• 202305

Tested branch (Please provide the tested image version)

• 202305

Details if related

• Backport from master: [Mellanox] Disable MFT bash autocompletion #17442

Description for the changelog

• N/A

Link to config_db schema for YANG module changes

• N/A

A picture of a cute animal (not mandatory but encouraged)

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     /     \  __  /    ------
    / /     \(  )/    -----
   //////   ' \/ `   ---
  //// / // :    : ---
 // /   /  /`    '--
//          //..\\
       ====UU====UU====
           '//||\\`
             ''``

[StormLiangMS]

hi @qiluo-msft could you have some expert help to review?

[liat-grozovik]

@StormLiangMS please assist with merge

[dgsudharsan]

@StormLiangMS Tested on top of 202305 commit 2b8efdb

[StormLiangMS]

LGTM