txt: The txt module is now builtin

Since the patch introducing this module is only applied in dom0, it is
now builtin. Remove the runtime dependency.
This out-of-tree module should be added to openxt-kmeta as a patch too
in the end.

Signed-off-by: Eric Chanudet <chanudete@ainfosec.com>

Author: Eric Chanudet

recipes-openxt/txt-info-module/txt-info-module_1.0.bb

@@ -17,8 +17,4 @@ S = "${WORKDIR}/sources"
 inherit module
 inherit module-signing
 
-KERNEL_MODULE_AUTOLOAD += "txt txt-info"
-
-RDEPENDS_${PN} += " \
-    kernel-module-txt \
-"
+KERNEL_MODULE_AUTOLOAD += "txt-info"