drm/exynos: remove unnecessary messages

This patch removes unnecessary messages from fimd_clear_channels
and decon_clear_channels functions which print out just function
name.
Signed-off-by: NInki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos5433_drm_decon.c

@@ -561,8 +561,6 @@ static void decon_clear_channels(struct exynos_drm_crtc *crtc)
 	struct decon_context *ctx = crtc->ctx;
 	int win, i, ret;
 
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
 	for (i = 0; i < ARRAY_SIZE(decon_clks_name); i++) {
 		ret = clk_prepare_enable(ctx->clks[i]);
 		if (ret < 0)

drivers/gpu/drm/exynos/exynos7_drm_decon.c

@@ -107,8 +107,6 @@ static void decon_clear_channels(struct exynos_drm_crtc *crtc)
 	struct decon_context *ctx = crtc->ctx;
 	unsigned int win, ch_enabled = 0;
 
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
 	/* Check if any channel is enabled. */
 	for (win = 0; win < WINDOWS_NR; win++) {
 		u32 val = readl(ctx->regs + WINCON(win));

drivers/gpu/drm/exynos/exynos_drm_fimd.c

@@ -350,8 +350,6 @@ static void fimd_clear_channels(struct exynos_drm_crtc *crtc)
 	struct fimd_context *ctx = crtc->ctx;
 	unsigned int win, ch_enabled = 0;
 
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
 	/* Hardware is in unknown state, so ensure it gets enabled properly */
 	pm_runtime_get_sync(ctx->dev);