[direnv] change default hooks for shell --print-env (#928)

## Summary
title says it

## How was it tested?
- `devbox shell --print-env`
- confirm output does not contain `. /path/to/.hooks.sh`

Author: mohsenari

internal/boxcli/shell.go

@@ -48,7 +48,9 @@ func runShellCmd(cmd *cobra.Command, flags shellCmdFlags) error {
 	}
 
 	if flags.PrintEnv {
-		script, err := box.PrintEnv(cmd.Context(), false /*useCachedPrintDevEnv*/, true /*includeHooks*/)
+		// false for includeHooks is because init hooks is not compatible with .envrc files generated
+		// by versions older than 0.4.6
+		script, err := box.PrintEnv(cmd.Context(), false /*useCachedPrintDevEnv*/, false /*includeHooks*/)
 		if err != nil {
 			return err
 		}