Remove unneeded variables from ResourceCache test

tests/ResourceCacheTest.cpp

Index: tests/ResourceCacheTest.cpp
diff --git a/tests/ResourceCacheTest.cpp b/tests/ResourceCacheTest.cpp
index 24a748d371440af2bd1b4fb37c547e6759ceb737..2af2d69e8ece7cb0a8cff3471a3a4d56353d2609 100644
--- a/tests/ResourceCacheTest.cpp
+++ b/tests/ResourceCacheTest.cpp
@@ -1280,8 +1280,6 @@ static void test_abandoned(skiatest::Reporter* reporter) {
 
     // Call all the public methods on resource in the abandoned state. They shouldn't crash.
 
-    int foo = 4132;
-    sk_sp<SkData> data(SkData::MakeWithCopy(&foo, sizeof(foo)));
     resource->getUniqueID();
     resource->getUniqueKey();
     resource->wasDestroyed();