drm/amd/display: remove redundant initialization of variable remainder

Variable remainder is being initialized with a value that is never read,
the assignment is redundant and can be removed. Also add a newline
after the declaration to clean up the coding style.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/basics/conversion.c

@@ -103,7 +103,8 @@ void convert_float_matrix(
 
 static uint32_t find_gcd(uint32_t a, uint32_t b)
 {
-	uint32_t remainder = 0;
+	uint32_t remainder;
+
 	while (b != 0) {
 		remainder = a % b;
 		a = b;