[doc] Update port in tor.md

Tor Browser Bundle spawns the Tor process and listens on port 9150, it doesn't randomly pick a port.

[ci skip]
(cherry picked from commit 1b63cf9)

Author: DeftNerd

doc/tor.md

@@ -3,7 +3,7 @@ TOR SUPPORT IN BITCOIN
 
 It is possible to run Bitcoin as a Tor hidden service, and connect to such services.
 
-The following directions assume you have a Tor proxy running on port 9050. Many distributions default to having a SOCKS proxy listening on port 9050, but others may not. In particular, the Tor Browser Bundle defaults to listening on a random port. See [Tor Project FAQ:TBBSocksPort](https://www.torproject.org/docs/faq.html.en#TBBSocksPort) for how to properly
+The following directions assume you have a Tor proxy running on port 9050. Many distributions default to having a SOCKS proxy listening on port 9050, but others may not. In particular, the Tor Browser Bundle defaults to listening on port 9150. See [Tor Project FAQ:TBBSocksPort](https://www.torproject.org/docs/faq.html.en#TBBSocksPort) for how to properly
 configure Tor.