MAINTAINERS: Drop unreachable reviewer for Qualcomm ETHQOS ethernet driver

Bhupesh's email responds indicating they've changed employers and with
no new contact information. Let's drop the line from MAINTAINERS to
avoid getting the same response over and over.

Signed-off-by: Andrew Halaney <[email protected]>
Link: https://lore.kernel.org/r/20240129-remove-dwmac-qcom-ethqos-reviewer-v1-1-2645eab61451@redhat.com
Signed-off-by: Jakub Kicinski <[email protected]>

Author: ahalaney

MAINTAINERS

@@ -18085,7 +18085,6 @@ F:	drivers/net/ethernet/qualcomm/emac/
 
 QUALCOMM ETHQOS ETHERNET DRIVER
 M:	Vinod Koul <[email protected]>
-R:	Bhupesh Sharma <[email protected]>
 L:	[email protected]
 L:	[email protected]
 S:	Maintained