drm/xe/pf: Drop 2GiB limit of fair LMEM allocation

Since commit 678ccbf ("drm/xe/vram: drop 2G block
restriction") we are able to provision VFs with more than 2GiB.
Drop our temporary limit of maximum fair LMEM size that was added
just to avoid hitting -EINVAL from auto-provisioning.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Reviewed-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241121175754.302-1-michal.wajdeczko@intel.com

drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c

@@ -1545,8 +1545,6 @@ static u64 pf_query_max_lmem(struct xe_gt *gt)
 
 #ifdef CONFIG_DRM_XE_DEBUG_SRIOV
 #define MAX_FAIR_LMEM	SZ_128M	/* XXX: make it small for the driver bringup */
-#else
-#define MAX_FAIR_LMEM	SZ_2G	/* XXX: known issue with allocating BO over 2GiB */
 #endif
 
 static u64 pf_estimate_fair_lmem(struct xe_gt *gt, unsigned int num_vfs)