Drop the my_ prefix for region_live_at

Apparently the shadowing variable isn't a problem, and the preparations done to
the first version of it are basically preparations for creating that variable
anyway.

polonius-engine/src/output/location_insensitive.rs

@@ -27,11 +27,11 @@ pub(super) fn compute<Region: Atom, Loan: Atom, Point: Atom>(
         .chain(all_facts.cfg_edge.iter().map(|&(_, q)| q))
         .collect();
 
-    let mut my_region_live_at = all_facts.region_live_at.clone();
-    my_region_live_at.reserve(all_facts.universal_region.len() * all_points.len());
+    let mut region_live_at = all_facts.region_live_at.clone();
+    region_live_at.reserve(all_facts.universal_region.len() * all_points.len());
     for &r in &all_facts.universal_region {
         for &p in &all_points {
-            my_region_live_at.push((r, p));
+            region_live_at.push((r, p));
         }
     }
 
@@ -44,7 +44,7 @@ pub(super) fn compute<Region: Atom, Loan: Atom, Point: Atom>(
         let mut iteration = Iteration::new();
 
         // static inputs
-        let region_live_at: Relation<(Region, Point)> = my_region_live_at.into();
+        let region_live_at: Relation<(Region, Point)> = region_live_at.into();
         let invalidates = Relation::from_iter(all_facts.invalidates.iter().map(|&(b, p)| (p, b)));
 
         // .. some variables, ..