perf/x86/intel/uncore: Remove superfluous check
The 'pmu' pointer cannot be NULL, as it is taken as a pointer to an array.
Remove the superfluous NULL check.
Found by Coverity: CID#1497507.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Liang Kan <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://patch.msgid.link/20251119091538.825307-1-jirislaby@kernel.org
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