Delete extraneous prefix `SideEffects::` in `nodes.h`.

Change-Id: Ic0a8442d20323df0d9db9e6a1d26c07bd903a13d
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h
index 85aa004..f7a8486 100644
--- a/compiler/optimizing/nodes.h
+++ b/compiler/optimizing/nodes.h
@@ -3607,7 +3607,7 @@
                     const DexFile& dex_file)
       : HExpression(
             field_type,
-            SideEffects::SideEffects::FieldReadOfType(field_type, is_volatile)),
+            SideEffects::FieldReadOfType(field_type, is_volatile)),
         field_info_(field_offset, field_type, is_volatile, field_idx, dex_file) {
     SetRawInputAt(0, value);
   }
@@ -4058,7 +4058,7 @@
                   const DexFile& dex_file)
       : HExpression(
             field_type,
-            SideEffects::SideEffects::FieldReadOfType(field_type, is_volatile)),
+            SideEffects::FieldReadOfType(field_type, is_volatile)),
         field_info_(field_offset, field_type, is_volatile, field_idx, dex_file) {
     SetRawInputAt(0, cls);
   }