Update doc for (#2541)

doc/sources/admin/parameterlist.rst

@@ -574,7 +574,6 @@ tokenUseGlobalStorage                                   Enable global token stor
 totp2fActivation                                        TOTP activation                                                                      ✔
 totp2fAuthnLevel                                        Authentication level for users authentified by password+TOTP                         ✔
 totp2fDigits                                            Number of digits for TOTP code                                                       ✔
-totp2fDisplayExistingSecret                             Display existing TOTP secret in registration form                                    ✔
 totp2fInterval                                          TOTP interval                                                                        ✔
 totp2fIssuer                                            TOTP Issuer                                                                          ✔
 totp2fLabel                                             Portal label for TOTP 2F                                                             ✔
@@ -582,7 +581,6 @@ totp2fLogo                                              Custom logo for TOTP 2F
 totp2fRange                                             TOTP range (number of interval to test)                                              ✔
 totp2fSelfRegistration                                  TOTP self registration activation                                                    ✔
 totp2fTTL                                               TOTP device time to live                                                             ✔
-totp2fUserCanChangeKey                                  Authorize users to change existing TOTP secret                                       ✔
 totp2fUserCanRemoveKey                                  Authorize users to remove existing TOTP secret                                       ✔
 trustedDomains                                          Trusted domains                                                                      ✔
 twitterAppName                                                                                                                               ✔

doc/sources/admin/totp2f.rst

@@ -52,10 +52,6 @@ In the manager (advanced parameters), you just have to enable it:
 -  **Interval**: interval for TOTP algorithm (default: 30)
 -  **Range**: number of additional intervals to test (default: 1)
 -  **Digits**: number of digit by codes (default: 6)
--  **Display existing secret**: display an already registered secret
-   (default: disabled)
--  **Change existing secret**: authorize a user to change its previoulsy
-   registered TOTP secret
 -  **Allow users to remove TOTP**: If enabled, users can unregister
    TOTP.
 -  **Lifetime**: Unlimited by default. Set a Time To Live in seconds.