部件化整改，增加轻设备编译

Signed-off-by: Nx00405909 <xionglei6@huawei.com>
Change-Id: I32615e75438e5e13f8bfa93496298735d590a774

test/unittest/common/BUILD.gn

@@ -82,9 +82,6 @@ if (defined(ohos_lite)) {
     deps = [ ":init_test" ]
   }
 } else {
-  import("//build/ohos.gni")
-  sources = []
   group("unittest") {
-    deps = []
   }
 }