Kourtney and Kim Kardashian’s heated feud on The Kardashians is just the tip of the iceberg when it comes to the sisters’ tension.
According to an insider, “Kourtney’s tired of the drama and fighting with Kim” — so much so, she may walk away from the cameras for good.
“She’s made her position clear: She wants to quit the show after the baby comes,” the source told the magazine of the Poosh founder, 44, who’s expecting a child with husband Travis Barker, 47. “Her heart’s not in it anymore,” the source admitted of how Kourtney is feeling. The siblings’ feud began after the mom-of-three — who sha…