Remove output from install_hooks script

The output was confusing users if the script ran successfully or not. So
it just runs silently now. If there is an error, then the commands
producing them will output to stderror.

Change-Id: Id12e95117d3421968549c24b2741bc859d1fcb8b
1 file changed
tree: 561d2d93c3d3cbec4a59465fed0a83c611d2ea48
  1. commit-msg
  2. install_hooks.sh
  3. pre-commit