chore: remove unneeded result wrappings

[reubeno]

No description provided.

[github-actions]

Test Results

    2 files      9 suites   1m 37s ⏱️
  666 tests   666 ✅ 0 💤 0 ❌
1 318 runs  1 318 ✅ 0 💤 0 ❌

Results for commit 7657d39.

[github-actions]

Performance Benchmark Report

Benchmark name	Baseline (μs)	Test/PR (μs)	Delta (μs)	Delta %
clone_shell_object	18.00 μs	17.69 μs	-0.30 μs	🟢 -1.68%
eval_arithmetic	0.17 μs	0.17 μs	0.00 μs	⚪ Unchanged
expand_one_string	1.67 μs	1.61 μs	-0.06 μs	⚪ Unchanged
for_loop	22.10 μs	22.22 μs	0.12 μs	⚪ Unchanged
function_call	2.39 μs	2.45 μs	0.06 μs	⚪ Unchanged
instantiate_shell	57.07 μs	57.14 μs	0.07 μs	⚪ Unchanged
instantiate_shell_with_init_scripts	21585.71 μs	21359.21 μs	-226.50 μs	⚪ Unchanged
parse_bash_completion	1669.80 μs	1661.64 μs	-8.17 μs	⚪ Unchanged
parse_sample_script	1.79 μs	1.74 μs	-0.05 μs	🟢 -2.96%
run_echo_builtin_command	15.03 μs	15.24 μs	0.21 μs	⚪ Unchanged
run_one_external_command	2321.25 μs	2148.99 μs	-172.26 μs	🟢 -7.42%
tokenize_sample_script	2.83 μs	2.87 μs	0.04 μs	🟠 +1.56%

Code Coverage Report: Only Changed Files listed

Package	Base Coverage	New Coverage	Difference
brush-core/src/expansion.rs	🟢 96.25%	🟢 96.17%	🔴 -0.08%
brush-core/src/variables.rs	🟢 87.01%	🟢 87.06%	🟢 0.05%
Overall Coverage	🟢 77.82%	🟢 77.81%	🔴 -0.01%

Minimum allowed coverage is 70%, this run produced 77.81%