Remove MachInstEmitInfo

cranelift/codegen/src/isa/x64/inst/mod.rs

@@ -3298,7 +3298,7 @@ pub struct EmitState {
 
 /// Constant state used during emissions of a sequence of instructions.
 pub struct EmitInfo {
-    flags: settings::Flags,
+    pub(super) flags: settings::Flags,
     isa_flags: x64_settings::Flags,
 }
 
@@ -3308,12 +3308,6 @@ impl EmitInfo {
     }
 }
 
-impl MachInstEmitInfo for EmitInfo {
-    fn flags(&self) -> &Flags {
-        &self.flags
-    }
-}
-
 impl MachInstEmit for Inst {
     type State = EmitState;
     type Info = EmitInfo;