fvp: remove tc3 runc config from CI

TC3 doesn't boot with 11.28.23 model, with efforts to ensure a single
FVP version to be used in CI and tc4 usecases are available.
Remove usage of tc3 from l3 and l3 run configs. But l1 platform
builds are still retained.

Change-Id: I60b6029cc55c32ec4eba5308ba2cf3f6f680ebf2
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
diff --git a/run_config/fvp-linux.tc b/run_config/fvp-linux.tc
index 05333be..205266b 100644
--- a/run_config/fvp-linux.tc
+++ b/run_config/fvp-linux.tc
@@ -16,15 +16,15 @@
 	# Use SCP binary from SCP build if it exists, or fetch pre-built ones.
 	if [ ! -f "$archive/scp_rom.bin" ]; then
 		# Pick the appropriate binary based on target platform variant
-		if [ $plat_variant -eq 3 ] || [ $plat_variant -eq 4 ]; then
+		if [ $plat_variant -eq 4 ]; then
 			url="$tfa_downloads/total_compute/tc$plat_variant/scp/tc$plat_variant-bl1.bin" saveas="scp_rom.bin" fetch_file
 		fi
 
 		archive_file "scp_rom.bin"
 	fi
 
-	# RSE is applicable to TC3 and TC4
-	if [ $plat_variant -eq 3 ] || [ $plat_variant -eq 4 ]; then
+	# RSE is applicable to TC4
+	if [ $plat_variant -eq 4 ]; then
 
 	    # Hold RSE terminal_uart_ap
 	    uart="1" port="5003" file="hold_uart.exp" track_expect