Revert 'bin: Set shebang to sh instead of bash'

It seems that this also needed to be reverted, because I was getting the error below (which was prevented by reverting to #! /bin/bash):

./bin/genenetwork2: 135: ./bin/genenetwork2: Syntax error: redirection unexpected

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/genenetwork2 b/bin/genenetwork2
index ea5a4f50..ea70835b 100755
--- a/bin/genenetwork2
+++ b/bin/genenetwork2
@@ -1,4 +1,4 @@
-#! /bin/sh -e
+#! /bin/bash
 #
 # This is the startup script for GN2. It sets the environment variables to pick
 # up a Guix profile and allows for overriding parameters.