remove nearly-duplicate PATHs in several places

function                                             old     new   delta
bb_PATH_root_path                                      -      35     +35
varunset                                              60      58      -2
arith                                               2042    2033      -9
bb_default_root_login_path                            30       -     -30
.rodata                                           128794  128762     -32
which_main                                           152     117     -35
defpathvar                                            40       -     -40
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 0/4 up/down: 35/-148)          Total: -113 bytes

1 files changed, 3 insertions, 1 deletions

diff --git a/debianutils/which.c b/debianutils/which.c
index 2c71ed32d..b556a9fd9 100644
--- a/debianutils/which.c
+++ b/debianutils/which.c
@@ -22,9 +22,11 @@ int which_main(int argc, char **argv)
                 bb_show_usage();
         }
 
+/* We shouldn't do this. Ever. Not our business.
         if (!getenv("PATH")) {
-                setenv("PATH", "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin", 1);
+                putenv((char*)bb_PATH_root_path);
         }
+*/
 
         while (--argc > 0) {
                 argv++;