Remove redundant separator

Author: berkus

content/this-month/2022-04/index.md

@@ -48,7 +48,6 @@ The `xhci` crate provides types of xHCI structires, such as Registers and TRBs.
 
 In this month, we released a new version 0.8.3 which includes [a bug fix](https://github.com/rust-osdev/xhci/pull/132) reported and committed by [@Yuna-Tomi](https://github.com/Yuna-Tomi). The bug was that `EventRingDequeuePointerRegister::event_ring_dequeue_pointer()` did not return the correct address. Thanks for the contribution!.
 
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 ### [`multiboot2`](https://github.com/rust-osdev/multiboot2)
 
 The `multiboot2` crate provides abstraction types for the multiboot information structure (MBI) of multiboot2