chore: remove unused config

fvp-errata-abi-a55 is not used in any groups so remove it.

Change-Id: I954f8c57f00cff5de1fbcb5a561af21373dd8bfb
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
diff --git a/tf_config/fvp-errata-abi-a55 b/tf_config/fvp-errata-abi-a55
deleted file mode 100644
index 98ea33a..0000000
--- a/tf_config/fvp-errata-abi-a55
+++ /dev/null
@@ -1,12 +0,0 @@
-CROSS_COMPILE=aarch64-none-elf-
-ERRATA_ABI_SUPPORT=1
-ERRATA_A55_768277=1
-ERRATA_A55_778703=1
-ERRATA_A55_798797=1
-ERRATA_A55_846532=1
-ERRATA_A55_903758=1
-ERRATA_A55_1221012=1
-ERRATA_A55_1530923=1
-HW_ASSISTED_COHERENCY=1
-PLAT=fvp
-USE_COHERENT_MEM=0