Disable $compat-grid in Classic and Admin

• Type: Task
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: None
• Fix Version/s: None
• Component/s: Frontend Infrastructure
• Labels: None
• Epic Link: fi-disable-css-compat-layer-2
• Sprint: S03E13 - Raleigh
• Git Pull Request: https://github.com/marcoscv-work/liferay-portal/pull/283

Disable the grid portion of the BS3-BS4 compatibility layer in Classic and Admin