linker: remove useless comments.

The API level in the code is more meaningful to more people anyway.

Change-Id: Ifc6a45fc16039881aa7863fbff09b5902e139d54

Author: enh-google

linker/linker_phdr.cpp

@@ -298,7 +298,6 @@ bool ElfReader::VerifyElfHeader() {
   }
 
   if (header_.e_shentsize != sizeof(ElfW(Shdr))) {
-    // Fail if app is targeting Android O or above
     if (get_application_target_sdk_version() >= 26) {
       DL_ERR_AND_LOG("\"%s\" has unsupported e_shentsize: 0x%x (expected 0x%zx)",
                      name_.c_str(), header_.e_shentsize, sizeof(ElfW(Shdr)));
@@ -312,12 +311,10 @@ bool ElfReader::VerifyElfHeader() {
   }
 
   if (header_.e_shstrndx == 0) {
-    // Fail if app is targeting Android O or above
     if (get_application_target_sdk_version() >= 26) {
       DL_ERR_AND_LOG("\"%s\" has invalid e_shstrndx", name_.c_str());
       return false;
     }
-
     DL_WARN_documented_change(26,
                               "invalid-elf-header_section-headers-enforced-for-api-level-26",
                               "\"%s\" has invalid e_shstrndx", name_.c_str());