Revert "erasure-code: create default profile if necessary"

This reverts commit 360de6adf24ef9a1287d169416d5e9bbb72afbec.

Conflicts:
	src/mon/OSDMonitor.cc
Merge pull request #1970 from dachary/wip-erasure-code-profile-default

Revert "erasure-code: create default profile if necessary"