[CPUFREQ] Remove pointless printk from p4-clockmod.

The only machines this is triggering on should be supported by
acpi-cpufreq or acpi's internal throttling.
Signed-off-by: NDave Jones <davej@redhat.com>

arch/x86/kernel/cpu/cpufreq/p4-clockmod.c

@@ -178,13 +178,8 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c)
 		}
 	}
 
-	if (c->x86 != 0xF) {
-		if (!cpu_has(c, X86_FEATURE_EST))
-			printk(KERN_WARNING PFX "Unknown CPU. "
-				"Please send an e-mail to "
-				"<cpufreq@vger.kernel.org>\n");
+	if (c->x86 != 0xF)
 		return 0;
-	}
 
 	/* on P-4s, the TSC runs with constant frequency independent whether
 	 * throttling is active or not. */