A rundown church used in the filming of 1999’s “The Blair Witch Project” near Burkittsville, Md., has now been incorporated into South Mountain State Park, the AP, via WTOP, reports. The church in question, the Ceres Bethel African Methodist Episcopal Church, was part of a $785,000 transaction to preserve more than 31 acres adjacent to the South Mountain Civil War battlefield. If you think back to the good ‘ole 1990s, “Blair Witch” created a made-from-scratch…