Revert "Fix : surfaceflinger: Don't crash on missing functions in hwcomposers"

This reverts commit 14fb3bda8d9fe6665887fdbe0385e3e9f9cb7a77.
Revert "surfaceflinger: Don't crash on missing functions in hwcomposers"

This reverts commit 97bdfe4e091206aa6cefd4fbfe1fdfacf6f9c55c.