Revert "docs: add gateways and proxies section to README" (#463) #1591

Job	Run time
Run Atlas tests	2m 35s
Run MongoDB tests (macos-latest)	1m 42s
Run MongoDB tests (windows-latest)	6m 23s
Run MongoDB tests (ubuntu-latest)	1m 53s
Report Coverage	41s
	13m 14s

Provide feedback