Revert "add r4i-blue.com and r4i-gold.com pro kernel"

This reverts commit 3bc830cf18.

README.md

@@ -14,16 +14,14 @@ Some kernels are in different locations, or have consolidated as they are identi
   - r4ixds.com 2014 white version
   - (please raise an issue if you think your cart is an Ace3DS+ or R4iLS clone!)
 
-- `BL2CK`
-  - r4isdhc.hk 2014-2017
-  - r4isdhc.com Dual-Core 2013
 
 These carts may be identical, but have not been attempted. This information is based on its provided DLDI, which are identical. Please do not attempt cross-loading without knowing what you're doing:
-- 3dslink.com Blue
-- r4i3d.com 2012-2013
-- r4igold.cc 3DS
-- r4infinity.com Dual-Core
-- r4isdhc.com Dual-Core NEW
-- r4isdhc.in 2014
-- r4ixds.com 2014-2016 non-white
-- r4i-gold.com GOLD Pro
+3dslink.com Blue
+r4i3d.com 2012-2013
+r4igold.cc 3DS
+r4infinity.com Dual-Core
+r4isdhc.com Dual-Core NEW
+r4isdhc.com Dual-Core 2013
+r4isdhc.hk 2014-2017
+r4isdhc.in 2014
+r4ixds.com 2014-2016 non-white

YSMenu/r4i-blue.com/README.txt

@@ -1,4 +0,0 @@
-YSMenu instructions:
-
-1. Copy DSTTi-Clone YSMenu contents to the SD
-1. Rename `YSMenu.nds` to `R4i.HK`

r4isdhc.hk_2014-2017/README.txt

@@ -0,0 +1 @@
+cheats: __rpg/cheats/usrcheat.dat