Remove docs-clean from the publish make target

[isaacs]

References

[npm-deploy-user]

	angular-quickstart			app-large			app-medium			ember-quickstart			react-app
	prev	current	status	prev	current	status	prev	current	status	prev	current	status	prev	current	status
initial install	41s	45.7s	🛑	39.5s	49.1s	🛑	34.5s	35.3s	✅🐌	28.1s	31.2s	🛑	33.5s	41.2s	🛑
repeat install	9.6s	3.4s	✅	8.6s	3.5s	✅	8.3s	2.9s	✅	7.7s	1.8s	✅	9.1s	3s	✅
with warm cache	32.3s	25.8s	✅	33.8s	31.7s	✅	31.3s	21.8s	✅	23.4s	18.8s	✅	29.1s	21s	✅
with node_modules	9.2s	6.3s	✅	8.6s	4.9s	✅	9s	4s	✅	7.8s	2.2s	✅	9.4s	6.3s	✅
with lockfile	32.6s	32.1s	✅	31s	33.5s	✅🐌	29s	22.7s	✅	21.7s	20.4s	✅	27.4s	28.1s	✅🐌
with warm cache and node_modules	9.3s	3.7s	✅	7.9s	3.9s	✅	8.4s	3.1s	✅	7.6s	2s	✅	9.2s	3.3s	✅
with warm cache and lockfile	24.7s	10.9s	✅	26.3s	14.6s	✅	24.3s	9.1s	✅	17.8s	6.9s	✅	21.3s	7.9s	✅
with node_modules and lockfile	10.1s	5.8s	✅	9.8s	4.8s	✅	8.6s	3.6s	✅	7.8s	1.9s	✅	9.7s	6.1s	✅

[nlf]

agreed, no reason to drop the docs and rebuild the world 👍