Rename Abort terminator to Terminate

Unify terminology used in unwind action and terminator, and reflect
the fact that a nounwind panic is triggered instead of an immediate
abort is triggered for this terminator.

compiler/rustc_mir_dataflow/src/move_paths/builder.rs

@@ -375,7 +375,7 @@ impl<'b, 'a, 'tcx> Gatherer<'b, 'a, 'tcx> {
             // need recording.
             | TerminatorKind::Return
             | TerminatorKind::Resume
-            | TerminatorKind::Abort
+            | TerminatorKind::Terminate
             | TerminatorKind::GeneratorDrop
             | TerminatorKind::Unreachable
             | TerminatorKind::Drop { .. } => {}