Remove external/ruy/.gitmodules and submodule directories. am: 8931679bde

Original change: https://android-review.googlesource.com/c/platform/external/ruy/+/1830441

Change-Id: Id0f643bab5d9084d89fff5463767e470bf52a3c7
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 0e03f4e..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,6 +0,0 @@
-[submodule "googletest"]
-	path = third_party/googletest
-	url = https://github.com/google/googletest
-[submodule "cpuinfo"]
-	path = third_party/cpuinfo
-	url = https://github.com/pytorch/cpuinfo
diff --git a/third_party/cpuinfo b/third_party/cpuinfo
deleted file mode 160000
index 5916273..0000000
--- a/third_party/cpuinfo
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5916273f79a21551890fd3d56fc5375a78d1598d
diff --git a/third_party/googletest b/third_party/googletest
deleted file mode 160000
index 6c58c11..0000000
--- a/third_party/googletest
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 6c58c11d5497b6ee1df3cb400ce30deb72fc28c0