Update links in USBMouseKeyboard.md

Point links to development instead of feature branch.

Author: Amanda Butler

docs/api/usb/USBMouseKeyboard.md

@@ -1,12 +1,12 @@
 ## USBMouseKeyboard
 
-<span class="images">![](https://os.mbed.com/docs/development/feature-hal-spec-usb-device-doxy/class_u_s_b_mouse_keyboard.png)<span>USBMouseKeyboard class hierarchy</span></span>
+<span class="images">![](https://os.mbed.com/docs/mbed-os/development/mbed-os-api-doxy/class_u_s_b_mouse_keyboard.png)<span>USBMouseKeyboard class hierarchy</span></span>
 
 You can use the USBMouseKeyboard interface to emulate a mouse and a keyboard at the same time over the USB port. You can send both key presses and mouse movements with this class.
 
 ### USBMouseKeyboard class reference
 
-[![View code](https://www.mbed.com/embed/?type=library)](http://os.mbed.com/docs/development/feature-hal-spec-usb-device-doxy/class_u_s_b_mouse_keyboard.html)
+[![View code](https://www.mbed.com/embed/?type=library)](https://os.mbed.com/docs/mbed-os/development/mbed-os-api-doxy/class_u_s_b_mouse_keyboard.html)
 
 ### USBMouseKeyboard example