Remove dynamicdhgroups from the manpage

doc/tor.1.txt

@@ -371,12 +371,6 @@ GENERAL OPTIONS
     chosen with their regular weights, multiplied by this number, which
     should be 1.0 or less. (Default: 1.0)
 
-[[DynamicDHGroups]] **DynamicDHGroups** **0**|**1**::
-    If this option is set to 1, when running as a server, generate our
-    own Diffie-Hellman group instead of using the one from Apache's mod_ssl.
-    This option may help circumvent censorship based on static
-    Diffie-Hellman parameters. (Default: 0)
-
 [[AlternateDirAuthority]] **AlternateDirAuthority** [__nickname__] [**flags**] __address__:__port__ __fingerprint__ +
 
 [[AlternateBridgeAuthority]] **AlternateBridgeAuthority** [__nickname__] [**flags**] __address__:__port__ __ fingerprint__::