Revert "drm/i915: Restore lost "Initialized i915" welcome message"

This reverts commit bc5ca47c0a.

Gabriel put this back into generic code with

commit 75f6dfe3e6
Author: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Date:   Wed Dec 28 12:32:11 2016 -0200

    drm: Deduplicate driver initialization message

but somehow he missed Chris' patch to add the message meanwhile.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101025
Fixes: 75f6dfe3e6 ("drm: Deduplicate driver initialization message")
Cc: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: <stable@vger.kernel.org> # v4.11+
Reviewed-by: Gabriel Krisman Bertazi <krisman@collabora.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170517131557.7836-1-daniel.vetter@ffwll.ch
(cherry picked from commit 6bdba81979)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/i915_drv.c

@@ -1272,10 +1272,6 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	dev_priv->ipc_enabled = false;
 
-	/* Everything is in place, we can now relax! */
-	DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
-		 driver.name, driver.major, driver.minor, driver.patchlevel,
-		 driver.date, pci_name(pdev), dev_priv->drm.primary->index);
 	if (IS_ENABLED(CONFIG_DRM_I915_DEBUG))
 		DRM_INFO("DRM_I915_DEBUG enabled\n");
 	if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))