jammy-amd64-tf-a-build: Remove old commented snippet for armclang-6.8

By now it's unneeded cruft/noise.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I88a22e56127915961a67d8aba2709531322c302c
diff --git a/jammy-amd64-tf-a-build/tf-dependencies.install b/jammy-amd64-tf-a-build/tf-dependencies.install
index 4abcf81..c6df570 100755
--- a/jammy-amd64-tf-a-build/tf-dependencies.install
+++ b/jammy-amd64-tf-a-build/tf-dependencies.install
@@ -44,16 +44,6 @@
   https://releases.linaro.org/components/toolchain/binaries/6.2-2016.11/aarch64-linux-gnu/gcc-linaro-6.2.1-2016.11-x86_64_aarch64-linux-gnu.tar.xz
 tar -Jxf /tmp/gcc-linaro-x86_64_aarch64-linux-gnu.tar.xz -C ${TOOLS_DIR}
 
-# 2022-11-11: No longer available at Arm download page
-## Install Arm Clang 6.8 toolchain (armclang)
-## NOTE: Toolchain is not available through PATH so to use it, CC should point to
-## CC=${TOOLS_DIR}/armclang-6.8/bin/armclang
-#mkdir -p /tmp/armclang-6.8
-#wget -O /tmp/DS500-BN-00026-r5p0-10rel0.tgz \
-#  -q https://developer.arm.com/-/media/Files/downloads/compiler/DS500-BN-00026-r5p0-10rel0.tgz
-#tar -xf /tmp/DS500-BN-00026-r5p0-10rel0.tgz -C /tmp/armclang-6.8
-#/tmp/armclang-6.8/install_x86_64.sh --no-interactive --i-agree-to-the-contained-eula -d ${TOOLS_DIR}/armclang-6.8
-
 # Install Arm Clang 6.9 toolchain (armclang)
 # NOTE: Toolchain is not available through PATH so to use it, CC should point to
 # CC=${TOOLS_DIR}/armclang-6.9/bin/armclang