Remove usr/srec

Change-Id: I436f52bd6acb8638cdb8dbee29aa81c743fd9f36
diff --git a/tools/squisher b/tools/squisher
index 74bd8d6..eea0254 100755
--- a/tools/squisher
+++ b/tools/squisher
@@ -121,6 +121,9 @@
 # No need for tts
 rm -rf $REPACK/ota/system/tts
 
+# No need for srec
+rm -rf $REPACK/ota/system/usr/srec
+
 # No need for recovery
 rm -rf $REPACK/ota/recovery
 rm -rf $REPACK/ota/system/etc/recovery-resource.dat