drm/i915: Drop I915_RESET_TIMEOUT and friends

These were used to set various timeouts for the reset procedure
(deciding when the engine was dead, and even if the reset itself was not
making forward progress). No longer used.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Maciej Patelczyk <maciej.patelczyk@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200513074809.18194-14-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_drv.h

@@ -625,13 +625,6 @@ i915_fence_timeout(const struct drm_i915_private *i915)
 	return i915_fence_context_timeout(i915, U64_MAX);
 }
 
-#define I915_RESET_TIMEOUT (10 * HZ) /* 10s */
-
-#define I915_ENGINE_DEAD_TIMEOUT  (4 * HZ)  /* Seqno, head and subunits dead */
-#define I915_SEQNO_DEAD_TIMEOUT   (12 * HZ) /* Seqno dead with active head */
-
-#define I915_ENGINE_WEDGED_TIMEOUT  (60 * HZ)  /* Reset but no recovery? */
-
 /* Amount of SAGV/QGV points, BSpec precisely defines this */
 #define I915_NUM_QGV_POINTS 8