Remove unnecessary third party dependencies

.gitignore

 *.gypcmd
 *.mk
 *.ncb
 *.opensdf
 *.orig
 *.pdb
 *.props
 *.pyc
 *.pyproj
 *.rules
@@ skipping 287 matching lines @@
 /third_party/adobe/flash/symbols
 /third_party/amd/
 /third_party/android_protobuf/src
 /third_party/android_support_test_runner/lib/*.aar
 /third_party/android_support_test_runner/lib/*.jar
 /third_party/android_tools/
 /third_party/android_tools_internal/
 /third_party/android_webview_glue/src
 /third_party/angle
 /third_party/angle_dx11
-/third_party/apache-mime4j
 /third_party/apache-portable-runtime/src
 /third_party/apache_velocity/lib/*.jar
 /third_party/apache-win32/bin/*.exe
 /third_party/apache-win32/bin/*.dll
 /third_party/apache-win32/bin/iconv/*.so
 /third_party/apache-win32/modules/*.so
 /third_party/apache-win32/modules/*.dll
 /third_party/asan
 /third_party/bidichecker
 /third_party/bison
@@ skipping 38 matching lines @@
 /third_party/google_appengine_cloudstorage
 /third_party/google_toolbox_for_mac/src
 /third_party/googlemac
 /third_party/gvr-android-sdk/common_library.aar
 /third_party/gvr-android-sdk/libgvr_shim_static_arm.a
 /third_party/gvr-android-sdk/libgvr_shim_static_arm64.a
 /third_party/gvr-android-sdk/src
 /third_party/gperf
 /third_party/guava/lib/*.jar
 /third_party/hamcrest/lib/*.jar
-/third_party/httpcomponents-client
-/third_party/httpcomponents-core
 /third_party/hunspell_dictionaries
 /third_party/icu
 /third_party/icu4j/lib/*.jar
 /third_party/intellij/lib/*.jar
 /third_party/inspector_protocol
-/third_party/jarjar
 /third_party/javax_inject/lib/*.jar
 /third_party/jsoncpp/source
 /third_party/jsr-305/src
 /third_party/junit/src
 /third_party/kasko
 /third_party/khronos_glcts
 /third_party/leakcanary/src
 /third_party/leveldatabase/src
 /third_party/leveldb
 /third_party/libc++-static/libc++.a
@@ skipping 128 matching lines @@
 /ui/keyboard/keyboard_mojom_bindings.xml
 /ui/surface/surface.xml
 /ui/surface/surface_gpu_tests.xml
 /v8
 /webkit/data
 /webpagereplay_logs/
 /win8/delegate_execute/delegate_execute_version_resources.xml
 /win8/metro_driver/metro_driver_version_resources.xml
 /x86-generic_out/
 /xcodebuild