PORT ST. LUCIE — Mets officials tell me that the final remaining section of Shea Stadium should be demolished by this afternoon. COO Jeff Wilpon also told us that the club plans to have markers in the parking lot where Shea once stood marking where home plate, the pitcher’s mound and the bases were. … 1:40 P.M. UPDATE: Club officials said the last remaining piece was Section 5, which was located between home plate and first base. Here is a picture the Mets shot of the final outcome …