Revert "[Tizen] Enable -Dtizen flag for all Tizen builds"

This reverts commit 1f23d934ff94a43866d2c7b134c212968685ac7f.
Geolocation provider code should be made generic first, then
-Dtizen=1 should be enabled.
Merge pull request #1549 from alexshalamov/fix_build_ivi

Revert "[Tizen] Enable -Dtizen flag for all Tizen builds"