CI: remove armcompiler references

Arm Compiler has been removed, so remove it from the CI.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

scripts/machine-summary.py

@@ -145,7 +145,6 @@ recipes = ("virtual/kernel",
            "edk2-firmware",
            "u-boot",
            "optee-os",
-           "armcompiler-native",
            "gcc-aarch64-none-elf-native",
            "gcc-arm-none-eabi-native")