[source] lantiq: drop unused variable from image build code

[LEDE Commits]

mkresin pushed a commit to source.git, branch master:
https://git.lede-project.org/58c6ad53a80565037815a4088cc8231c54cda3c6

commit 58c6ad53a80565037815a4088cc8231c54cda3c6
Author: Mathias Kresin <dev at kresin.me>
AuthorDate: Fri Dec 8 08:07:50 2017 +0100

    lantiq: drop unused variable from image build code
    
    Remove the DEVICE_PROFILE variable. The variable isn't
    used at all.
    
    Signed-off-by: Mathias Kresin <dev at kresin.me>
---
 target/linux/lantiq/image/tp-link.mk | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/target/linux/lantiq/image/tp-link.mk b/target/linux/lantiq/image/tp-link.mk
index dc88605..c5e1c72 100644
--- a/target/linux/lantiq/image/tp-link.mk
+++ b/target/linux/lantiq/image/tp-link.mk
@@ -13,7 +13,6 @@ endef
 
 define Device/TDW8970
   $(Device/lantiqTpLink)
-  DEVICE_PROFILE := TDW8970
   TPLINK_FLASHLAYOUT := 8Mltq
   TPLINK_HWID := 0x89700001
   TPLINK_HWREV := 1
@@ -26,7 +25,6 @@ TARGET_DEVICES += TDW8970
 
 define Device/TDW8980
   $(Device/lantiqTpLink)
-  DEVICE_PROFILE := TDW8980
   TPLINK_FLASHLAYOUT := 8Mltq
   TPLINK_HWID := 0x89800001
   TPLINK_HWREV := 14
@@ -39,7 +37,6 @@ TARGET_DEVICES += TDW8980
 
 define Device/VR200v
   $(Device/lantiqTpLink)
-  DEVICE_PROFILE := VR200v
   TPLINK_BOARD_ID := ArcherVR200V
   TPLINK_FLASHLAYOUT := 16Mltq
   TPLINK_HWID := 0x73b70801