powercap: intel_rapl: Remove unused field in struct rapl_if_priv

mainline inclusion
from mainline-v6.5-rc1
commit 31cb1304
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I92135

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=31cb1304ad8bd27b7d2abd8669fb887fb47d8eaf



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After commit f1e8d756 ("powercap/intel_rapl: enumerate Psys RAPL
domain together with package RAPL domain"), the platform_rapl_domain field
is not used anymore. Remove it from rapl_if_priv structure.

Intel-SIG: commit 31cb1304 powercap: intel_rapl: Remove unused field in struct rapl_if_priv
Backport Intel RAPL driver support on TPMI.

Fixes: f1e8d756 ("powercap/intel_rapl: enumerate Psys RAPL domain together with package RAPL domain")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
[ Xiaolong Wang: amend commit log ]
Signed-off-by: Xiaolong Wang <xiaolong.wang@intel.com>