[All addons] Review all readme.md files for V3 changes. (#9439)

Signed-off-by: Matthew Skinner <matt@pcmus.com>

* modbus.e3dc: newlines added and remove broken anchor.

Signed-off-by: Matthew Skinner <matt@pcmus.com>

* modbus.stie..:remove multiple newlines.

Signed-off-by: Matthew Skinner <matt@pcmus.com>

* modbus.sunspec: remove multiple newlines.


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Nanoleaf: remove PaperUI.


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Neato: Remove openhab 2


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Nibe: remove PaperUI.


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* NibeUplink: Remove PaperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Niko: Remove PaperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Nuki: Remove Paper UI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* OneWire: Remove multiple newlines.


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* OpenUV: remove paperui


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* OpenWebNet: Remove paperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Pentair: remove openhab2 path


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Fix typo


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* RFXCOM: remove PaperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Russound: Remove PaperUI.


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Samsung: remove paperui


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Siemens: remove paperui


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Samsung Smartthings: remove openhab 2 mention.


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Somfy myLink: remove paperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Somfy Tahoma: remove paperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Sonos: Remove paperui ref


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Spotify: remove paperui


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Tankerkönig: remove java8 and paperUI references.


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Tellstick: remove paperui


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Tibber: remove paperui


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Velbus: remove paperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Vitotronic: remove paperui


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* VolvoOnCall: remove paperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* WiFi LED: remove paperui


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* WlanThermo: remove paperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* XmlTV: remove openhab2 path


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Z-Way: Remove paperUI


Signed-off-by: Matthew Skinner <matt@pcmus.com>

* Update bundles/org.openhab.binding.nanoleaf/README.md

Signed-off-by: Matthew Skinner <matt@pcmus.com>

Co-authored-by: Fabian Wolter <github@fabian-wolter.de>

* MagentaTV: Fix typo

Signed-off-by: Matthew Skinner <matt@pcmus.com>

* MagentaTV: Change to userId


Signed-off-by: Matthew Skinner <matt@pcmus.com>

Co-authored-by: Fabian Wolter <github@fabian-wolter.de>

bundles/org.openhab.binding.mail/README.md

@@ -25,9 +25,9 @@ If one or both are empty, no authentication data is provided to the SMTP server
 
 ### IMAP Server (`imap`) / POP3 Server (`pop3`)
 
-There is one mandatory parameter: `hostname`, `username`, `password`.
+There is one mandatory parameter: `hostname`.
 The `hostname` may contain an IP address or a FQDN like `mail.gmail.com`.
-For authentication `username` and `password` need to be supplied.
+For authentication `username` and `password` also need to be supplied.
 
 The `refresh`, `security`, `port`, `username` and `password` parameters are optional.