[BOLT][test] Drop toolname from X86/perf2bolt-spe.test (#145515)

Author: paschalis-mpeis

bolt/test/perf2bolt/X86/perf2bolt-spe.test

@@ -6,4 +6,4 @@ RUN: %clang %cflags %p/../../Inputs/asm_foo.s %p/../../Inputs/asm_main.c -o %t.e
 RUN: touch %t.empty.perf.data
 RUN: not perf2bolt -p %t.empty.perf.data -o %t.perf.boltdata --spe --pa %t.exe 2>&1 | FileCheck %s
 
-CHECK: perf2bolt{{.*}} -spe is available only on AArch64.
+CHECK: -spe is available only on AArch64.