[DYLDRendezvous] Remove code that doesn't exist upstream.

Folks on llvm.org are trying to reinstate this code, and when
that will happen, we'll get this code on swift-lldb for free.

apple-llvm-split-commit: 2a4d55cc63e2c11c328959d2269718954755397c
apple-llvm-split-dir: lldb/

Author: Davide Italiano

lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DYLDRendezvous.cpp

@@ -516,30 +516,6 @@ bool DYLDRendezvous::ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry) {
 
   UpdateBaseAddrIfNecessary(entry, file_path);
 
-  // The base_addr is not filled in for some case.
-  // Try to figure it out based on the load address of the object file.
-  // The issue observed for '/system/bin/linker' on Android L (5.0, 5.1)
-  if (entry.base_addr == 0) {
-    lldb::addr_t load_addr = LLDB_INVALID_ADDRESS;
-    bool is_loaded = false;
-    Status error =
-        m_process->GetFileLoadAddress(entry.file_spec, is_loaded, load_addr);
-    if (error.Success() && is_loaded)
-      entry.base_addr = load_addr;
-  }
-
-  // The base_addr is not filled in for some case.
-  // Try to figure it out based on the load address of the object file.
-  // The issue observed for '/system/bin/linker' on Android L (5.0, 5.1)
-  if (entry.base_addr == 0) {
-    lldb::addr_t load_addr = LLDB_INVALID_ADDRESS;
-    bool is_loaded = false;
-    Status error =
-        m_process->GetFileLoadAddress(entry.file_spec, is_loaded, load_addr);
-    if (error.Success() && is_loaded)
-      entry.base_addr = load_addr;
-  }
-
   return true;
 }