Decouple vkjson from cjson in external/LVL

LVL upstream move cjson into part of LVL loader. Thus need to decouple
vkjson from cjson in advance.

Test: adb shell cmd gpu vkjson
Bug: b/77613206
Change-Id: I87e01723953b124a3558dad2faba0e15898eddde
diff --git a/Android.bp b/Android.bp
deleted file mode 100644
index c1f0207..0000000
--- a/Android.bp
+++ /dev/null
@@ -1,3 +0,0 @@
-subdirs = [
-    "libs/cjson",
-]
diff --git a/libs/cjson/Android.bp b/libs/cjson/Android.bp
deleted file mode 100644
index 6a1600c..0000000
--- a/libs/cjson/Android.bp
+++ /dev/null
@@ -1,36 +0,0 @@
-cc_library_static {
-    name: "cjson",
-    clang: true,
-    srcs: [
-        "cJSON.c",
-    ],
-    cflags: [
-        "-Wall",
-        "-Werror",
-    ],
-    local_include_dirs: [
-        "includes",
-    ],
-    export_include_dirs: [
-        "includes",
-    ],
-}
-
-cc_library_static {
-    name: "cjson_ndk",
-    clang: true,
-    srcs: [
-        "cJSON.c",
-    ],
-    cflags: [
-        "-Wall",
-        "-Werror",
-    ],
-    local_include_dirs: [
-        "includes",
-    ],
-    export_include_dirs: [
-        "includes",
-    ],
-    sdk_version: "24",
-}