Revert work on erp5 cluster deployment

This work has nothing to do in erp5-component branch, and is preventing it
from being merged to erp5 banch more often.
Conflicts because of non-reverted
6d1a9805765134b10698c498183d5ff5f73b92ff have been resolved to that its
intent is preserved with non-cluster ERP5 SR.

This reverts commit 77976a1473b0ce5cafa314a13e195296b69cd496.
This reverts commit 7aa1d92cee151d858c622250ddeaa3ff288e7e36.
This reverts commit 80062015ef4263cb19e385e09b7e1cd4f7e6bb7f.
This reverts commit 36ed58f2ff5cb6b327c1de058a783e9086ed7d82.
This reverts commit 1fe3f466591a211b461200e06ab09349d8246eba.
This reverts commit 7731726a4b065ebcda64a941c570955f12efccf1.
This reverts commit eb2016c4dc51ce25871282de31dc0c1dab6b19a8.