Revert "Tune ram usage for galera on virtual-mcp-pike-ovs"

This break logic of defining galera:master node, as currently many
places rely on galera:master and do not check for enabled flag.
For example
https://gerrit.mcp.mirantis.net/gitweb?p=mcp-ci/pipeline-library.git;a=blob;f=src/com/mirantis/mk/Orchestrate.groovy;h=664871f1f02a051f2adbbdd191fdfa7f25e4c516;hb=80c1d375f75a2b86292c9d8e40a63e5f8b47cde2#l95

This reverts commit 363e8b9dc97153b6de6f4f27fc56b24d25fd6b81.

Change-Id: I2d4f314ecbf0cca141deb41ab563a861b1123a8d
1 file changed