📝 docs(README): remove unnecessary test heading

yuanyu90221 · yuanyu90221 · commit 4ca9d77760c1 · 2025-07-06T00:46:57.000+08:00
diff --git a/README.md b/README.md
@@ -90,5 +90,3 @@ copy(stockAmountByRangeClone, stockAmountByRange)
 ```shell
 go install github.com/go-delve/delve/cmd/dlv@latest
 ```
-
-## test
