feat(plat/sgi): remove RAS setup call from common code

In preparation of refactoring the support for platform error handling,
remove the call to RAS platform setup call from SGI specific common
code. This function will be called from platform code after the
refactoring.

Signed-off-by: Omkar Anand Kulkarni <omkar.kulkarni@arm.com>
Change-Id: If4a87e0adf166b1c99bf5999f2f89efa6c7c6afc
diff --git a/plat/arm/css/sgi/sgi_bl31_setup.c b/plat/arm/css/sgi/sgi_bl31_setup.c
index 9c8d163..7aa7b34 100644
--- a/plat/arm/css/sgi/sgi_bl31_setup.c
+++ b/plat/arm/css/sgi/sgi_bl31_setup.c
@@ -106,10 +106,6 @@
 {
 	arm_bl31_platform_setup();
 
-#if RAS_FFH_SUPPORT
-	sgi_ras_intr_handler_setup();
-#endif
-
 	/* Configure the warm reboot SGI for primary core */
 	css_setup_cpu_pwr_down_intr();