Move set -x to shebang line

Signed-off-by: Dom Del Nano <ddelnano@gmail.com>

Author: ddelnano

scripts/collect_heap_pprofs.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 
 # Copyright 2018- The Pixie Authors.
 #
@@ -26,8 +26,6 @@ usage() {
   exit 1
 }
 
-set -e
-
 heap_profile_dir="$1"
 cluster_id="$2"
 script_dir=$(dirname "$(realpath "$0")")

scripts/download_heap_prof_mapped_files.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/bash -e
 
 # Copyright 2018- The Pixie Authors.
 #
@@ -23,7 +23,6 @@ usage() {
   echo "Common gcloud ssh options include --project."
   exit 1
 }
-set -e
 
 heap_profile="$1"
 node_name="$2"