Remove all submodules.
am: a1534d9129

Change-Id: I7f48897e9bdc770692800a30aaba2deeb2c535b5
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index afde4d3..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,44 +0,0 @@
-[submodule "third_party/zlib"]
-	path = third_party/zlib
-	url = https://github.com/madler/zlib
-	# When using CMake to build, the zlib submodule ends up with a
-	# generated file that makes Git consider the submodule dirty. This
-	# state can be ignored for day-to-day development on gRPC.
-	ignore = dirty
-[submodule "third_party/protobuf"]
-	path = third_party/protobuf
-	url = https://github.com/google/protobuf.git
-	branch = 3.0.x
-[submodule "third_party/gflags"]
-	path = third_party/gflags
-	url = https://github.com/gflags/gflags.git
-[submodule "third_party/googletest"]
-	path = third_party/googletest
-	url = https://github.com/google/googletest.git
-[submodule "third_party/boringssl"]
-	path = third_party/boringssl
-	url = https://github.com/google/boringssl.git
-[submodule "third_party/benchmark"]
-	path = third_party/benchmark
-	url = https://github.com/google/benchmark
-[submodule "third_party/boringssl-with-bazel"]
-	path = third_party/boringssl-with-bazel
-	url = https://github.com/google/boringssl.git
-[submodule "third_party/cares/cares"]
-	path = third_party/cares/cares
-	url = https://github.com/c-ares/c-ares.git
-	branch = cares-1_12_0
-[submodule "third_party/bloaty"]
-	path = third_party/bloaty
-	url = https://github.com/google/bloaty.git
-[submodule "third_party/abseil-cpp"]
-	path = third_party/abseil-cpp
-	url = https://github.com/abseil/abseil-cpp
-[submodule "third_party/libcxxabi"]
-	path = third_party/libcxxabi
-	url = https://github.com/llvm-mirror/libcxxabi.git
-	branch = release_60
-[submodule "third_party/libcxx"]
-	path = third_party/libcxx
-	url = https://github.com/llvm-mirror/libcxx.git
-	branch = release_60
diff --git a/third_party/abseil-cpp b/third_party/abseil-cpp
deleted file mode 160000
index cc4bed2..0000000
--- a/third_party/abseil-cpp
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit cc4bed2d74f7c8717e31f9579214ab52a9c9c610
diff --git a/third_party/benchmark b/third_party/benchmark
deleted file mode 160000
index 5b7683f..0000000
--- a/third_party/benchmark
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5b7683f49e1e9223cf9927b24f6fd3d6bd82e3f8
diff --git a/third_party/bloaty b/third_party/bloaty
deleted file mode 160000
index 73594cd..0000000
--- a/third_party/bloaty
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 73594cde8c9a52a102c4341c244c833aa61b9c06
diff --git a/third_party/boringssl b/third_party/boringssl
deleted file mode 160000
index b29b21a..0000000
--- a/third_party/boringssl
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b29b21a81b32ec273f118f589f46d56ad3332420
diff --git a/third_party/boringssl-with-bazel b/third_party/boringssl-with-bazel
deleted file mode 160000
index 8149b35..0000000
--- a/third_party/boringssl-with-bazel
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 8149b351bf797bd80e063787886b7618f508e451
diff --git a/third_party/cares/cares b/third_party/cares/cares
deleted file mode 160000
index 3be1924..0000000
--- a/third_party/cares/cares
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 3be1924221e1326df520f8498d704a5c4c8d0cce
diff --git a/third_party/gflags b/third_party/gflags
deleted file mode 160000
index 30dbc81..0000000
--- a/third_party/gflags
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 30dbc81fb5ffdc98ea9b14b1918bfe4e8779b26e
diff --git a/third_party/googletest b/third_party/googletest
deleted file mode 160000
index ec44c6c..0000000
--- a/third_party/googletest
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ec44c6c1675c25b9827aacd08c02433cccde7780
diff --git a/third_party/libcxx b/third_party/libcxx
deleted file mode 160000
index 6599cac..0000000
--- a/third_party/libcxx
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 6599cac0965be8e5a835ab7a5684bbef033d5ad0
diff --git a/third_party/libcxxabi b/third_party/libcxxabi
deleted file mode 160000
index 9245d48..0000000
--- a/third_party/libcxxabi
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 9245d481eb3e890f708ff2d7dadf2a10c04748ba
diff --git a/third_party/protobuf b/third_party/protobuf
deleted file mode 160000
index 48cb18e..0000000
--- a/third_party/protobuf
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 48cb18e5c419ddd23d9badcfe4e9df7bde1979b2
diff --git a/third_party/zlib b/third_party/zlib
deleted file mode 160000
index cacf7f1..0000000
--- a/third_party/zlib
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit cacf7f1d4e3d44d871b605da3b647f07d718623f