Remove broken and unused Android tools aliases.

--
PiperOrigin-RevId: 142702623
MOS_MIGRATED_REVID=142702623
diff --git a/tools/android/BUILD b/tools/android/BUILD
index fd58049..fa37a64 100644
--- a/tools/android/BUILD
+++ b/tools/android/BUILD
@@ -65,16 +65,6 @@
     actual = "//src/tools/android/java/com/google/devtools/build/android/ziputils:mapper",
 )
 
-alias(
-    name = "dexbuilder",
-    actual = "//src/tools/android/java/com/google/devtools/build/android/dexer:DexBuilder",
-)
-
-alias(
-    name = "dexmerger",
-    actual = "//src/tools/android/java/com/google/devtools/build/android/dexer:DexFileMerger",
-)
-
 sh_binary(
     name = "desugar_java8",
     srcs = ["fail.sh"],