webos: tcmode-default.inc: drop LLVM_PREFERRED_VERSION

:Release Notes:
P_V was dropped in:
https://git.openembedded.org/openembedded-core/commit/?id=15d09b02b2632ab1cabc3b1bd9f521e6d3d3b83f

:Detailed Notes:

:Testing Performed:
Only build tested.

:QA Notes:
No change to image.

:Issues Addressed:
[WRQ-504] Create GPVB with Yocto 5.0 Scarthgap

Change-Id: I224bb2c0e9a8cf31e06c2e28c964424ff0855044

meta-webos/conf/distro/include/tcmode-default.inc

@@ -18,14 +18,3 @@ PACKAGE_ARCH:pn-linux-libc-headers = "${TUNE_PKGARCH}"
 PACKAGE_ARCH:pn-libgcc-initial = "${TUNE_PKGARCH}"
 
 LIBC_DEPENDENCIES:remove = "libsegfault"
-
-# https://lists.openembedded.org/g/openembedded-core/message/179469
-# Allow to independently set P_V for llvm* recipes and actual llvm version used in other places
-# This is needed for meta-clang which provides different llvm version from clang recipes, see:
-# https://github.com/kraj/meta-clang/pull/766
-LLVM_PREFERRED_VERSION ?= "17.%"
-LLVMVERSION ?= "${LLVM_PREFERRED_VERSION}"
-
-PREFERRED_VERSION_llvm = "${LLVM_PREFERRED_VERSION}"
-PREFERRED_VERSION_llvm-native = "${LLVM_PREFERRED_VERSION}"
-PREFERRED_VERSION_nativesdk-llvm = "${LLVM_PREFERRED_VERSION}"