Clean up comments/logs

Test: th
Change-Id: Ie63cfab7bf8d5d8e3e91695259cf62ab3ac17ee9
diff --git a/init/first_stage_init.cpp b/init/first_stage_init.cpp
index 13ee37d..d050ed7 100644
--- a/init/first_stage_init.cpp
+++ b/init/first_stage_init.cpp
@@ -113,10 +113,10 @@
         LOG(INFO) << "hard linking " << src << " to " << dst << " succeeded";
         return;
     }
-    PLOG(FATAL) << "hard linking " << src << " to " << dst << " failed, falling back to copy.";
+    PLOG(FATAL) << "hard linking " << src << " to " << dst << " failed";
 }
 
-// Move e2fsck before switching root, so that it is available at the same path
+// Move snapuserd before switching root, so that it is available at the same path
 // after switching root.
 void PrepareSwitchRoot() {
     constexpr const char* src = "/system/bin/snapuserd";