Drop the set -e, it is becoming too complicated to ensure it works

Change-Id: I1f2d250807462eace4cf7f7db7a902cc65cfa75a
diff --git a/rw-system.sh b/rw-system.sh
index fcefda4..286cebd 100644
--- a/rw-system.sh
+++ b/rw-system.sh
@@ -1,6 +1,5 @@
 #!/system/bin/sh
 
-set -e
 
 setprop sys.usb.ffs.aio_compat true
 
@@ -83,9 +82,7 @@
 mkdir -p /mnt/phh/
 mount -t tmpfs -o rw,nodev,relatime,mode=755,gid=0 none /mnt/phh || true
 mkdir /mnt/phh/empty_dir
-set +e
 fixSPL
-set -e
 
 changeKeylayout