Remove empty line in README.md

Removed an empty line before the 'Add your company too' section.

Signed-off-by: Zachary Rice <15034943+zricethezav@users.noreply.github.com>

Author: zricethezav

README.md

@@ -174,7 +174,6 @@ func main() {
 * [Kargo](https://kargo.io/) uses Expr to evaluate and manipulate variables dynamically during [promotion steps](https://docs.kargo.io/user-guide/reference-docs/expressions/)
 * [Betterleaks](https://github.com/betterleaks/betterleaks) uses Expr to filter and validate candidate credentials.
 
-
 [Add your company too](https://github.com/expr-lang/expr/edit/master/README.md)
 
 ## License