Remove unneeded variables from ResourceCache test
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2295883002

Review-Url: https://codereview.chromium.org/2295883002
diff --git a/tests/ResourceCacheTest.cpp b/tests/ResourceCacheTest.cpp
index 24a748d..2af2d69 100644
--- a/tests/ResourceCacheTest.cpp
+++ b/tests/ResourceCacheTest.cpp
@@ -1280,8 +1280,6 @@
 
     // 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();