Remove debhelper version requirement from wayland-protocols

- Tested in Kokoro's image, no problems building package.

Change-Id: I5c5235a2f1cc881079f69afebddfc7dfc7d37755
diff --git a/wayland-protocols-imx-debian/control b/wayland-protocols-imx-debian/control
index 80c39e4..5ed5b90 100644
--- a/wayland-protocols-imx-debian/control
+++ b/wayland-protocols-imx-debian/control
@@ -3,7 +3,7 @@
 Priority: optional
 Maintainer: AIY Projects <support-aiyprojects@google.com>
 Build-Depends:
- debhelper (>=10),
+ debhelper,
  libwayland-dev,
  pkg-config
 Standards-Version: 4.1.1