mpc83xx: Remove last CONFIG_MPC83xx

Remove the last instances of the CONFIG_MPC83xx symbol.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/include/configs/hrcon.h b/include/configs/hrcon.h
index 9318e62..4001a0a 100644
--- a/include/configs/hrcon.h
+++ b/include/configs/hrcon.h
@@ -12,7 +12,6 @@
  * High Level Configuration Options
  */
 #define CONFIG_E300		1 /* E300 family */
-#define CONFIG_MPC83xx		1 /* MPC83xx family */
 
 #define CONFIG_SYS_FSL_ESDHC_ADDR	CONFIG_SYS_MPC83xx_ESDHC_ADDR
 
diff --git a/include/configs/strider.h b/include/configs/strider.h
index dd89ee8..94164de 100644
--- a/include/configs/strider.h
+++ b/include/configs/strider.h
@@ -12,7 +12,6 @@
  * High Level Configuration Options
  */
 #define CONFIG_E300		1 /* E300 family */
-#define CONFIG_MPC83xx		1 /* MPC83xx family */
 
 #define CONFIG_SYS_FSL_ESDHC_ADDR	CONFIG_SYS_MPC83xx_ESDHC_ADDR