amd/vpelib: Fix CodeQL issues Pt1

[WHY]
Redundant / inconsisten nullptr checks

Reviewed-by: Jude Shih <Jude.Shih@amd.com>
Reviewed-by: Evan Damphousse <Evan.Damphousse@amd.com>
Acked-by: ChuanYu Tseng <ChuanYu.Tseng@amd.com>
Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35012>

src/amd/vpelib/src/chip/vpe10/vpe10_mpc.c

@@ -1141,7 +1141,7 @@ void vpe10_mpc_program_1dlut(struct mpc *mpc, const struct pwl_params *params, e
 {
     PROGRAM_ENTRY();
 
-    if ((params == NULL) || (vpe_priv == NULL) ||
+    if ((params == NULL) ||
         (vpe_priv->init.debug.bypass_blndgam == true)) { // the bypass flag is used in debug mode to skip this block entirely
         REG_SET(VPMPCC_MCM_1DLUT_CONTROL, REG_DEFAULT(VPMPCC_MCM_1DLUT_CONTROL),
             VPMPCC_MCM_1DLUT_MODE, 0);

src/amd/vpelib/src/core/color_cs.c

@@ -731,9 +731,7 @@ bool vpe_color_calculate_input_cs(struct vpe_priv *vpe_priv, enum color_space in
         bright_norm_factor = bright_norm_factor_10bit;        
     }
 
-    if (vpe_blt_adjust) {
-        translate_blt_to_internal_adjustments(&vpe_in_adjust, &vpe_adjust);
-    }
+    translate_blt_to_internal_adjustments(&vpe_in_adjust, &vpe_adjust);
 
     switch (in_cs) {
     case COLOR_SPACE_SRGB: