[202205][Mellanox] Disable MFT bash autocompletion

[nazariig]

A W/A to overcome SN2700 20 sec delay on login due to MFT bash autocompletion bug.
Must be reverted once a new MFT is ready.

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. Build a mellanox image
2. Verify no such links after system boot.

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)

• 202205

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====
           '//||\\`
             ''``

[bingwang-ms]

@liuh-80 Can you please help review this change? Thanks!

[liuh-80]

Verifyed with Mellanox device and SONiC.202205-17362.422766-3f7a2c946

The MFT scripts been removed, and issue fixed.

[liat-grozovik]

@yxieca could you please help to merge?

[yxieca]

@yxieca could you please help to merge?

@liat-grozovik can you confirm this change has been tested on 202205 branch? Thanks!