remove crespo4g overlay that breaks the build

Change-Id: I49f8044980d5292b2b0c876d92a2777b987c3454
diff --git a/generate-blob-scripts.sh b/generate-blob-scripts.sh
index faacef0..5ec5da2 100755
--- a/generate-blob-scripts.sh
+++ b/generate-blob-scripts.sh
@@ -51,6 +51,10 @@
 repo sync
 repo sync
 repo sync
+
+# Remove directory that breaks the build
+rm -rf device/samsung/crespo4g/crespo4g_overlay
+
 . build/envsetup.sh
 for DEVICENAME in $DEVICES
 do