manifest: use forked prebuilts/build-tools

Change-Id: I2b7dd3e854bcd9d0e8e1b72f0694ef61fa07ee13
diff --git a/remove.xml b/remove.xml
index adf4ae4..b82f488 100644
--- a/remove.xml
+++ b/remove.xml
@@ -144,6 +144,8 @@
   <remove-project name="platform/packages/services/Telephony" />
   <remove-project name="platform/packages/services/Telecomm" />
 
+  <remove-project name="platform/prebuilts/build-tools" />
+
   <remove-project name="platform/system/bt" />
   <remove-project name="platform/system/core" />
   <remove-project name="platform/system/extras" />