Not under any legal definition of "execution."
He issued an execution order. That is a fact. If you don't know this, you should go back and look it up yourself
"Judge Greer's exact language is, 'Ordered and Adjudged that absent a stay from the appellate courts, the guardian, Michael Schiavo, shall cause the removal of nutrition and hydration from the ward, Theresa Marie Schiavo, at 1:00 p.m. on Friday, March 18, 2005,'" said Coleman, quoting from the three page order. "This is an order of execution."