test: omit unnecessary reassignment (#2703)

<!--
Please read and fill out this form before submitting your PR.

Please make sure you have reviewed our contributors guide before
submitting your
first PR.

NOTE: PR titles should follow semantic commits:
https://www.conventionalcommits.org/en/v1.0.0/
-->

## Overview

<!-- 
Please provide an explanation of the PR, including the appropriate
context,
background, goal, and rationale. If there is an issue with this
information,
please provide a tl;dr and link the issue. 

Ex: Closes #<issue number>
-->

The new version of Go (after Go 1.22) has been optimized, and variables
do not need to be reassigned.

Our project use Go 1.24:


```shell
Directory: apps/evm/single, Go version: 1.24.6
Directory: apps/grpc/single, Go version: 1.24.6
Directory: apps/testapp, Go version: 1.24.6
Directory: core, Go version: 1.24.1
Directory: da, Go version: 1.24.1
Directory: execution/evm, Go version: 1.24.6
Directory: execution/evm/test, Go version: 1.24.6
Directory: execution/grpc, Go version: 1.24.2
Directory: sequencers/single, Go version: 1.24.2
Directory: test/docker-e2e, Go version: 1.24.6
Directory: test/e2e, Go version: 1.24.6
```

For more info:
https://tip.golang.org/wiki/LoopvarExperiment#does-this-mean-i-dont-have-to-write-x--x-in-my-loops-anymore

Signed-off-by: juejinyuxitu <[email protected]>

Author: juejinyuxitu

block/internal/submitting/submitter_test.go

@@ -57,8 +57,6 @@ func TestSubmitter_IsHeightDAIncluded(t *testing.T) {
 	}
 
 	for name, spec := range specs {
-		name := name
-		spec := spec
 		t.Run(name, func(t *testing.T) {
 			included, err := s.IsHeightDAIncluded(spec.height, spec.header, spec.data)
 			if spec.expErr {