drm/amd/display: Remove redundant initialization of variable result

The variable result is being initialized with a value that is never
read, it is being updated immediately afterwards in both branches
of an if statement. The assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c

@@ -774,7 +774,7 @@ static enum link_training_result dpia_training_eq_phase(struct dc_link *link,
 		struct link_training_settings *lt_settings,
 		uint32_t hop)
 {
-	enum link_training_result result = LINK_TRAINING_EQ_FAIL_EQ;
+	enum link_training_result result;
 
 	if (link->lttpr_mode == LTTPR_MODE_NON_TRANSPARENT)
 		result = dpia_training_eq_non_transparent(link, lt_settings, hop);