sh: Kill off dead bigsur and ec3104 boards.

Neither of these have had any maintenance in years, and there's
no interest in keeping them straggling along. These have already
been slated for removal some time, so finally just get rid of them.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 90c8c42..4d16d89 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -135,12 +135,6 @@
 	  More information (hardware only) at
 	  <http://www.hp.com/jornada/>.
 
-config SH_EC3104
-	bool "EC3104"
-	help
-	  Select EC3104 if configuring for a system with an Eclipse
-	  International EC3104 chip, e.g. the Harris AD2000.
-
 config SH_SATURN
 	bool "Saturn"
 	select CPU_SUBTYPE_SH7604
@@ -156,9 +150,6 @@
 	  <http://www.m17n.org/linux-sh/dreamcast/>.  There is a
 	  Dreamcast project is at <http://linuxdc.sourceforge.net/>.
 
-config SH_BIGSUR
-	bool "BigSur"
-
 config SH_MPC1211
 	bool "Interface MPC1211"
 	help
@@ -511,7 +502,7 @@
 config HEARTBEAT
 	bool "Heartbeat LED"
 	depends on SH_MPC1211 || SH_SH03 || \
-		   SH_BIGSUR || SOLUTION_ENGINE || \
+		   SOLUTION_ENGINE || \
 		   SH_RTS7751R2D || SH_SH4202_MICRODEV || SH_LANDISK || \
 		   SH_R7780RP
 	help