Remove check for projections in a branch without any

The else branch is taken when projection slice is empty so everything
except for the call to the `visit_local` is a dead code.

compiler/rustc_codegen_ssa/src/mir/analyze.rs

@@ -157,20 +157,7 @@ fn process_place(
                 );
             }
         } else {
-            // FIXME this is super_place code, is repeated here to avoid cloning place or changing
-            // visit_place API
-            let mut context = context;
-
-            if !place_ref.projection.is_empty() {
-                context = if context.is_mutating_use() {
-                    PlaceContext::MutatingUse(MutatingUseContext::Projection)
-                } else {
-                    PlaceContext::NonMutatingUse(NonMutatingUseContext::Projection)
-                };
-            }
-
             self.visit_local(&place_ref.local, context, location);
-            self.visit_projection(*place_ref, context, location);
         }
     }
 }