Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/cmake/libprotobuf-lite.cmake

Index: third_party/protobuf/cmake/libprotobuf-lite.cmake
diff --git a/third_party/protobuf/cmake/libprotobuf-lite.cmake b/third_party/protobuf/cmake/libprotobuf-lite.cmake
deleted file mode 100644
index e323840a17422434d8509c7bdccaffa77e55ce63..0000000000000000000000000000000000000000
--- a/third_party/protobuf/cmake/libprotobuf-lite.cmake
+++ /dev/null
@@ -1,30 +0,0 @@
-set(libprotobuf_lite_files
-  ${protobuf_source_dir}/src/google/protobuf/arena.cc
-  ${protobuf_source_dir}/src/google/protobuf/arenastring.cc
-  ${protobuf_source_dir}/src/google/protobuf/extension_set.cc
-  ${protobuf_source_dir}/src/google/protobuf/generated_message_util.cc
-  ${protobuf_source_dir}/src/google/protobuf/io/coded_stream.cc
-  ${protobuf_source_dir}/src/google/protobuf/io/zero_copy_stream.cc
-  ${protobuf_source_dir}/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
-  ${protobuf_source_dir}/src/google/protobuf/message_lite.cc
-  ${protobuf_source_dir}/src/google/protobuf/repeated_field.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/atomicops_internals_x86_gcc.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/bytestream.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/common.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/once.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/status.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/statusor.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/stringpiece.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/stringprintf.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/strutil.cc
-  ${protobuf_source_dir}/src/google/protobuf/stubs/time.cc
-  ${protobuf_source_dir}/src/google/protobuf/wire_format_lite.cc
-)
-
-add_library(libprotobuf-lite ${libprotobuf_lite_files})
-target_link_libraries(libprotobuf-lite ${CMAKE_THREAD_LIBS_INIT})
-target_include_directories(libprotobuf-lite PUBLIC ${protobuf_source_dir}/src)
-set_target_properties(libprotobuf-lite PROPERTIES
-    COMPILE_DEFINITIONS LIBPROTOBUF_EXPORTS
-    OUTPUT_NAME ${LIB_PREFIX}protobuf-lite)