Revert "Allow navigate to be activated with DELTA_NAVIGATE env var"

This reverts commit d718a3fc75f1796a24b4b9286308876b6e4a92c7.

Using env vars for boolean flags like this should perhaps wait for changes in clap. See
https://github.com/clap-rs/clap/issues/1476
https://github.com/TeXitoi/structopt/issues/372

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cli.rs b/src/cli.rs
index 587bb3c0..6c29f9dc 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -228,7 +228,7 @@ pub struct Opt {
     /// Emulate diff-so-fancy (https://github.com/so-fancy/diff-so-fancy)
     pub diff_so_fancy: bool,
 
-    #[structopt(long = "navigate", env = "DELTA_NAVIGATE")]
+    #[structopt(long = "navigate")]
     /// Activate diff navigation: use n to jump forwards and N to jump backwards. To change the
     /// file labels used see --file-modified-label, --file-removed-label, --file-added-label,
     /// --file-renamed-label.