media: camss: Remove unused static function

vfe_reg_clr() is not used in camss-vfe-170.c, and can be removed.
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/qcom/camss/camss-vfe-170.c

@@ -191,13 +191,6 @@ static u32 vfe_hw_version(struct vfe_device *vfe)
 	return hw_version;
 }
 
-static inline void vfe_reg_clr(struct vfe_device *vfe, u32 reg, u32 clr_bits)
-{
-	u32 bits = readl_relaxed(vfe->base + reg);
-
-	writel_relaxed(bits & ~clr_bits, vfe->base + reg);
-}
-
 static inline void vfe_reg_set(struct vfe_device *vfe, u32 reg, u32 set_bits)
 {
 	u32 bits = readl_relaxed(vfe->base + reg);