Revert "libbootloader_message: use different fstab paths for normal/recovery boot"

This reverts commit 37bd44174bf2511320961f3f8cd1f698a1c72b66.

The logic here is better to be moved into fs_mgr, not fs_mgr clients.

Bug: 35811655
Bug: 36502022

Change-Id: Iae79bd8f7131516ad223f3323f1bc1d805206d51
Test: normal boot sailfish, go to Settings > System & tap 
      on "Factory Data reset"
Test: recovery boot sailfish
diff --git a/bootloader_message/bootloader_message.cpp b/bootloader_message/bootloader_message.cpp
index d17e055..d8086be 100644
--- a/bootloader_message/bootloader_message.cpp
+++ b/bootloader_message/bootloader_message.cpp
@@ -19,7 +19,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
-#include <unistd.h>
 
 #include <string>
 #include <vector>
@@ -31,13 +30,8 @@
 #include <fs_mgr.h>
 
 static std::string get_misc_blk_device(std::string* err) {
-  std::unique_ptr<fstab, decltype(&fs_mgr_free_fstab)> fstab(nullptr, fs_mgr_free_fstab);
-  // Use different fstab paths for normal boot and recovery boot, respectively
-  if (access("/sbin/recovery", F_OK) == 0) {
-    fstab.reset(fs_mgr_read_fstab_with_dt("/etc/recovery.fstab"));
-  } else {
-    fstab.reset(fs_mgr_read_fstab_default());
-  }
+  std::unique_ptr<fstab, decltype(&fs_mgr_free_fstab)> fstab(fs_mgr_read_fstab_default(),
+                                                             fs_mgr_free_fstab);
   if (!fstab) {
     *err = "failed to read default fstab";
     return "";