- Remove lang/tcl83 and x11-toolkits/tk83 (expired)

- Remove references to Tcl/Tk 8.3 from bsd.tcl.mk
- Update ports that required 8.3+ to require 8.4+ (since 8.5 is the
  default, I don't expect this change to cause much trouble)

databases/sqlite2/Makefile

@@ -29,10 +29,10 @@ OPTIONS_DEFINE=	TCL THREADS DOCS
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MTCL}
-USE_TCL=		83+
+USE_TCL=		84+
 .else
 .if ${PORT_OPTIONS:MDOCS}
-USE_TCL_BUILD=		83+
+USE_TCL_BUILD=		84+
 . endif
 .endif