Reduce noise by wram bank switching

src/interconnect.rs

@@ -368,9 +368,8 @@ impl Interconnect {
             }
             0xFF70 => {
                 if self.wram_bank != val {
-                    println!("Switching wram bank to {:02X}", val);
                     if val > 7 {
-                        panic!("R u sure this is correct?");
+                        panic!("Trying to switch to wram bank {} which is non-existing", val);
                     }
                     if val == 0 {
                         self.wram_bank = 1;