Clean up Java style (#5990)

Also make equivalent changes in C++ where applicable.

Co-authored-by: Sriman Achanta <68172138+srimanachanta@users.noreply.github.com>

cameraserver/src/main/java/edu/wpi/first/cameraserver/CameraServer.java

@@ -114,7 +114,7 @@ public final class CameraServer {
     }
 
     @Override
-    public void close() throws Exception {
+    public void close() {
       if (m_booleanValueEntry != null) {
         m_booleanValueEntry.close();
       }