IB/qib: Remove unused variable (char *qib_sdma_event_names[])

Note: This is compile only tested as I have no access to the hw.

This variable was not used anywhere in the code. Removing it saves 88
bytes.

add/remove: 0/1 grow/shrink: 0/0 up/down: 0/-88 (-88)
Function                                     old     new   delta
qib_sdma_event_names                          88       -     -88
Total: Before=2874565, After=2874477, chg -0.00%

Signed-off-by: Hernán Gonzalez <hernan@vanguardiasur.com.ar>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/qib/qib.h

@@ -473,7 +473,6 @@ enum qib_sdma_events {
 };
 
 extern char *qib_sdma_state_names[];
-extern char *qib_sdma_event_names[];
 
 struct sdma_set_state_action {
 	unsigned op_enable:1;

drivers/infiniband/hw/qib/qib_sdma.c

@@ -64,20 +64,6 @@ char *qib_sdma_state_names[] = {
 	[qib_sdma_state_s99_running]          = "s99_Running",
 };
 
-char *qib_sdma_event_names[] = {
-	[qib_sdma_event_e00_go_hw_down]   = "e00_GoHwDown",
-	[qib_sdma_event_e10_go_hw_start]  = "e10_GoHwStart",
-	[qib_sdma_event_e20_hw_started]   = "e20_HwStarted",
-	[qib_sdma_event_e30_go_running]   = "e30_GoRunning",
-	[qib_sdma_event_e40_sw_cleaned]   = "e40_SwCleaned",
-	[qib_sdma_event_e50_hw_cleaned]   = "e50_HwCleaned",
-	[qib_sdma_event_e60_hw_halted]    = "e60_HwHalted",
-	[qib_sdma_event_e70_go_idle]      = "e70_GoIdle",
-	[qib_sdma_event_e7220_err_halted] = "e7220_ErrHalted",
-	[qib_sdma_event_e7322_err_halted] = "e7322_ErrHalted",
-	[qib_sdma_event_e90_timer_tick]   = "e90_TimerTick",
-};
-
 /* declare all statics here rather than keep sorting */
 static int alloc_sdma(struct qib_pportdata *);
 static void sdma_complete(struct kref *);