Remove old asm source lists from Android sources.mk

These should not be necessary as of aosp/2673984.

Bug: 542
Change-Id: Ice0d8a6c535bb2bd4549cbf88197a36c8e859e74
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/62085
Commit-Queue: Adam Langley <agl@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Auto-Submit: David Benjamin <davidben@google.com>
diff --git a/util/generate_build_files.py b/util/generate_build_files.py
index 7ff0f12..07bfc0f 100644
--- a/util/generate_build_files.py
+++ b/util/generate_build_files.py
@@ -133,14 +133,6 @@
       self.PrintVariableSection(makefile, 'crypto_sources_asm',
                                 files['crypto_asm'])
 
-      # TODO(crbug.com/boringssl/542): Migrate users to the combined asm source
-      # lists, so we don't need to generate both sets.
-      for ((osname, arch), asm_files) in asm_outputs:
-        if osname != 'linux':
-          continue
-        self.PrintVariableSection(
-            makefile, '%s_%s_sources' % (osname, arch), asm_files)
-
   def PrintDefaults(self, blueprint, name, files, asm_files=[]):
     """Print a cc_defaults section from a list of C files and optionally assembly outputs"""
     if asm_files: