Fix the PHP_CodeSniffer issues reported by GitLab CI

I have added a patch for this.

Hi,
Reviewed the patch. There are many errors and warnings pending that need to be resolved.
I will work on this issue.

Fixed few errors and warnings.
There are few warnings and errors need to be solved.

FILE: .../twilio_otp_login/twilio_otp_login.module
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FOUND 9 ERRORS AND 6 WARNINGS AFFECTING 13 LINES
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   3 | ERROR   | Missing short description in doc comment
  14 | WARNING | Hook implementations should not duplicate @param
     |         | documentation
  16 | WARNING | Hook implementations should not duplicate @param
     |         | documentation
  16 | ERROR   | Doc comment for parameter $form_state does not match
     |         | actual variable name $form_id
  18 | WARNING | Hook implementations should not duplicate @param
     |         | documentation
  23 | WARNING | Line exceeds 80 characters; contains 85 characters
  30 | ERROR   | The array declaration extends to column 307 (the limit is
     |         | 80). The array content should be split up over multiple
     |         | lines
  38 | ERROR   | Doc comment is empty
  41 | ERROR   | Invalid function name, expected validate_mobile but found
     |         | validateMobile
  41 | ERROR   | All functions defined in a module file must be prefixed
     |         | with the module's name, found "validateMobile" but
     |         | expected "twilio_otp_login_validateMobile"
  97 | ERROR   | Doc comment short description must end with a full stop
  99 | WARNING | Line exceeds 80 characters; contains 109 characters
 101 | WARNING | Line exceeds 80 characters; contains 85 characters
 127 | ERROR   | Doc comment is empty
 130 | ERROR   | All functions defined in a module file must be prefixed
     |         | with the module's name, found "phone_login_callback" but
     |         | expected "twilio_otp_login_phone_login_callback"
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FILE: .../twilio_otp_login/css/otp.css
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FOUND 1 ERROR AFFECTING 1 LINE
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 1 | ERROR | [x] Additional whitespace found at start of file
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PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY
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