Remove no longer needed grpc plugin binaires Change-Id: I5da74a545eb4e0a0455ee1014c5a253ae02cd6c7

diff --git a/third_party/grpc/protoc-gen-grpc-java-0.15.0-linux-x86_32.exe b/third_party/grpc/protoc-gen-grpc-java-0.15.0-linux-x86_32.exe
deleted file mode 100755
index 6c9bfc4..0000000
--- a/third_party/grpc/protoc-gen-grpc-java-0.15.0-linux-x86_32.exe
+++ /dev/null
Binary files differ

diff --git a/third_party/grpc/protoc-gen-grpc-java-0.15.0-linux-x86_64.exe b/third_party/grpc/protoc-gen-grpc-java-0.15.0-linux-x86_64.exe
deleted file mode 100755
index b6ddfd0..0000000
--- a/third_party/grpc/protoc-gen-grpc-java-0.15.0-linux-x86_64.exe
+++ /dev/null
Binary files differ

diff --git a/third_party/grpc/protoc-gen-grpc-java-0.15.0-osx-x86_64.exe b/third_party/grpc/protoc-gen-grpc-java-0.15.0-osx-x86_64.exe
deleted file mode 100755
index 962f088..0000000
--- a/third_party/grpc/protoc-gen-grpc-java-0.15.0-osx-x86_64.exe
+++ /dev/null
Binary files differ

diff --git a/third_party/grpc/protoc-gen-grpc-java-0.15.0-windows-x86_32.exe b/third_party/grpc/protoc-gen-grpc-java-0.15.0-windows-x86_32.exe
deleted file mode 100755
index 9a4116f..0000000
--- a/third_party/grpc/protoc-gen-grpc-java-0.15.0-windows-x86_32.exe
+++ /dev/null
Binary files differ

diff --git a/third_party/grpc/protoc-gen-grpc-java-0.15.0-windows-x86_64.exe b/third_party/grpc/protoc-gen-grpc-java-0.15.0-windows-x86_64.exe
deleted file mode 100755
index ecba639..0000000
--- a/third_party/grpc/protoc-gen-grpc-java-0.15.0-windows-x86_64.exe
+++ /dev/null
Binary files differ