aer-inject: remove redundant _SITE_METHOD

The _SITE has a git:// URL, so _SITE_METHOD is not needed.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Cc: Tiago Brusamarello <tiago.brusamarello@datacom.ind.br>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/aer-inject/aer-inject.mk

@@ -6,7 +6,6 @@
 
 AER_INJECT_VERSION = 9bd5e2c7886fca72f139cd8402488a2235957d41
 AER_INJECT_SITE = git://git.kernel.org/pub/scm/linux/kernel/git/gong.chen/aer-inject.git
-AER_INJECT_SITE_METHOD = git
 AER_INJECT_LICENSE = GPLv2
 AER_INJECT_LICENSE_FILES = README
 AER_INJECT_DEPENDENCIES = host-flex host-bison