pkg-generic: remove unused NAMEVER

Commit 5538e476 (from 2013!) removed the use of the NAMEVER variable in
.stamp_patched, but it was still defined. So remove the definition now.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/pkg-generic.mk

@@ -153,7 +153,6 @@ $(BUILD_DIR)/%/.stamp_rsynced:
 # prefix of the patches
 #
 # For BR2_GLOBAL_PATCH_DIR, only generate if it is defined
-$(BUILD_DIR)/%/.stamp_patched: NAMEVER = $(RAWNAME)-$($(PKG)_VERSION)
 $(BUILD_DIR)/%/.stamp_patched: PATCH_BASE_DIRS =  $(PKGDIR)
 $(BUILD_DIR)/%/.stamp_patched: PATCH_BASE_DIRS += $(addsuffix /$(RAWNAME),$(call qstrip,$(BR2_GLOBAL_PATCH_DIR)))
 $(BUILD_DIR)/%/.stamp_patched: