NEX-1774 mptsas error stats are always zero
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Steve Peng <steve.peng@nexenta.com>

@@ -343,20 +343,10 @@
                                 continue;
                         }
 
                         ps = (sas_phy_stats_t *)phyp->phy_stats->ks_data;
 
-                        kstat_named_init(&ps->seconds_since_last_reset,
-                            "SecondsSinceLastReset", KSTAT_DATA_ULONGLONG);
-                        kstat_named_init(&ps->tx_frames,
-                            "TxFrames", KSTAT_DATA_ULONGLONG);
-                        kstat_named_init(&ps->rx_frames,
-                            "RxFrames", KSTAT_DATA_ULONGLONG);
-                        kstat_named_init(&ps->tx_words,
-                            "TxWords", KSTAT_DATA_ULONGLONG);
-                        kstat_named_init(&ps->rx_words,
-                            "RxWords", KSTAT_DATA_ULONGLONG);
                         kstat_named_init(&ps->invalid_dword_count,
                             "InvalidDwordCount", KSTAT_DATA_ULONGLONG);
                         kstat_named_init(&ps->running_disparity_error_count,
                             "RunningDisparityErrorCount", KSTAT_DATA_ULONGLONG);
                         kstat_named_init(&ps->loss_of_dword_sync_count,