Remove external/ukey2/.gitmodules and submodule directories. am: e711039fa9

Original change: https://android-review.googlesource.com/c/platform/external/ukey2/+/1830387

Change-Id: I91219edd5fd1166e381d1e03ede194bd8fd8e49c
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 2624f19..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,16 +0,0 @@
-[submodule "third_party/secure_message"]
-	path = third_party/secure_message
-	url = https://github.com/google/securemessage
-	branch = master
-[submodule "third_party/gtest"]
-	path = third_party/gtest
-	url = https://github.com/google/googletest
-	branch = master
-[submodule "third_party/protobuf"]
-	path = third_party/protobuf
-	url = https://github.com/protocolbuffers/protobuf
-	branch = master
-[submodule "third_party/absl"]
-	path = third_party/absl
-	url = https://github.com/abseil/abseil-cpp
-	branch = master
diff --git a/third_party/absl b/third_party/absl
deleted file mode 160000
index 62f05b1..0000000
--- a/third_party/absl
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 62f05b1f57ad660e9c09e02ce7d591dcc4d0ca08
diff --git a/third_party/gtest b/third_party/gtest
deleted file mode 160000
index 703bd9c..0000000
--- a/third_party/gtest
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 703bd9caab50b139428cea1aaff9974ebee5742e
diff --git a/third_party/protobuf b/third_party/protobuf
deleted file mode 160000
index d0bfd52..0000000
--- a/third_party/protobuf
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d0bfd5221182da1a7cc280f3337b5e41a89539cf
diff --git a/third_party/secure_message b/third_party/secure_message
deleted file mode 160000
index e7b6988..0000000
--- a/third_party/secure_message
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit e7b6988454bc94601616fbbf0db3559f73a1ebdf