i386/pc386: remove URLs from copyright blocks

Updates #4636.

bsps/i386/pc386/README.md

@@ -138,8 +138,6 @@ HOWTO
 | (C) Copyright 1998 -                                                        |
 | - NavIST Group - Real-Time Distributed Systems and Industrial Automation    |
 |                                                                             |
-| http://pandora.ist.utl.pt                                                   |
-|                                                                             |
 | Instituto Superior Tecnico * Lisboa * PORTUGAL                              |
 +-----------------------------------------------------------------------------+
 | Disclaimer:                                                                 |

bsps/i386/pc386/btimer/btimer.c

@@ -10,7 +10,6 @@
  *  Modifications by:
  *  (C) Copyright 1997 -
  *    NavIST Group - Real-Time Distributed Systems and Industrial Automation
- *    http://pandora.ist.utl.pt
  *    Instituto Superior Tecnico * Lisboa * PORTUGAL
  *
  *  This file is provided "AS IS" without warranty of any kind, either

bsps/i386/pc386/btimer/timerisr.S

@@ -6,8 +6,6 @@
 | (C) Copyright 1997 -
 | - NavIST Group - Real-Time Distributed Systems and Industrial Automation
 |
-| http://pandora.ist.utl.pt
-|
 | Instituto Superior Tecnico * Lisboa * PORTUGAL
 +--------------------------------------------------------------------------+
 | Disclaimer:

bsps/i386/pc386/clock/rtc.c

@@ -7,8 +7,6 @@
 | (C) Copyright 1997 -
 | - NavIST Group - Real-Time Distributed Systems and Industrial Automation
 |
-| http://pandora.ist.utl.pt
-|
 | Instituto Superior Tecnico * Lisboa * PORTUGAL
 +--------------------------------------------------------------------------+
 | Disclaimer:

bsps/i386/pc386/console/inch.c

@@ -4,8 +4,6 @@
 | (C) Copyright 1997 -
 | - NavIST Group - Real-Time Distributed Systems and Industrial Automation
 |
-| http://pandora.ist.utl.pt
-|
 | Instituto Superior Tecnico * Lisboa * PORTUGAL
 +--------------------------------------------------------------------------+
 | Disclaimer:

bsps/i386/pc386/console/kbd_parser.c

@@ -4,7 +4,6 @@
  *
  *  (C) Copyright 1997
  *  NavIST Group - Real-Time Distributed Systems and Industrial Automation
- *  http://pandora.ist.utl.pt
  *  Instituto Superior Tecnico * Lisboa * PORTUGAL
  *
  *  The original code and subsequent modifications are:

bsps/i386/pc386/include/bsp.h

@@ -14,8 +14,6 @@
 | (C) Copyright 1997 -
 | - NavIST Group - Real-Time Distributed Systems and Industrial Automation
 |
-| http://pandora.ist.utl.pt
-|
 | Instituto Superior Tecnico * Lisboa * PORTUGAL
 +--------------------------------------------------------------------------+
 | Modified by Eric Valette the 20/05/98 in order to add definitions used

bsps/i386/pc386/start/bspstart.c

@@ -22,7 +22,7 @@
  *
  * (C) Copyright 1997 -
  * - NavIST Group - Real-Time Distributed Systems and Industrial Automation
- * Instituto Superior Tecnico * Lisboa * PORTUGAL (http://pandora.ist.utl.pt)
+ * Instituto Superior Tecnico * Lisboa * PORTUGAL
  *
  * NavISY Disclaimer:
  * This file is provided "AS IS" without warranty of any kind, either

bsps/i386/pc386/start/ldsegs.S

@@ -11,8 +11,6 @@
 | (C) Copyright 1997 -
 | - NavIST Group - Real-Time Distributed Systems and Industrial Automation
 |
-| http://pandora.ist.utl.pt
-|
 | Instituto Superior Tecnico * Lisboa * PORTUGAL
 +--------------------------------------------------------------------------+
 | Disclaimer:

bsps/i386/pc386/start/start.S

@@ -8,8 +8,6 @@
 | (C) Copyright 1997 -
 | - NavIST Group - Real-Time Distributed Systems and Industrial Automation
 |
-| http://pandora.ist.utl.pt
-|
 | Instituto Superior Tecnico * Lisboa * PORTUGAL
 +--------------------------------------------------------------------------+
 | Modified the 20/05/1998  by eric.valette@free.fr in order to give a working

bsps/i386/pc386/start/startAP.S

@@ -15,8 +15,6 @@
  * (C) Copyright 1997 -
  * - NavIST Group - Real-Time Distributed Systems and Industrial Automation
  *
- * http://pandora.ist.utl.pt
- *
  * Instituto Superior Tecnico * Lisboa * PORTUGAL
  *--------------------------------------------------------------------------+
  * Disclaimer:

bsps/powerpc/shared/console/console.c

@@ -12,8 +12,6 @@
  * Till Straumann, <strauman@slac.stanford.edu>, 12/20/2001
  * separate BSP specific stuff from generics...
  *
- * http://pandora.ist.utl.pt
- *
  * Instituto Superior Tecnico * Lisboa * PORTUGAL
  *  The license and distribution terms for this file may be
  *  found in the file LICENSE in this distribution or at

cpukit/libcsupport/src/printk.c

@@ -10,8 +10,6 @@
  * (C) Copyright 1997 -
  * - NavIST Group - Real-Time Distributed Systems and Industrial Automation
  *
- * http://pandora.ist.utl.pt
- *
  * Instituto Superior Tecnico * Lisboa * PORTUGAL
  *
  * Disclaimer: