Fix typo in the boot generation script

I think this sneaked in before upload ...
Test: run the script
Bug: 152574358

Change-Id: I682037b53a4459c05b04400c8a88aab6457efe1c
diff --git a/tools/boot-image-profile-generate.sh b/tools/boot-image-profile-generate.sh
index e21048e..de4dd42 100755
--- a/tools/boot-image-profile-generate.sh
+++ b/tools/boot-image-profile-generate.sh
@@ -56,8 +56,6 @@
 PRELOADED_BLACKLIST="$3"
 shift 3
 
-IN
-
 # Read the profile input args.
 profman_profile_input_args=()
 while [[ "$#" -ge 1 ]] && [[ ! "$1" = '--profman-arg' ]]; do