simplify release-proc for SkData, removing unneeded size param

src/pdf/SkPDFFont.cpp

Index: src/pdf/SkPDFFont.cpp
diff --git a/src/pdf/SkPDFFont.cpp b/src/pdf/SkPDFFont.cpp
index 9fed9d6d8e447198266b786b9a66c69d94a16dfd..dd01458981a57fd38c113e0f64b84f431fe537ab 100644
--- a/src/pdf/SkPDFFont.cpp
+++ b/src/pdf/SkPDFFont.cpp
@@ -578,7 +578,7 @@ static SkPDFStream* generate_tounicode_cmap(
 }
 
 #if defined (SK_SFNTLY_SUBSETTER)
-static void sk_delete_array(const void* ptr, size_t, void*) {
+static void sk_delete_array(const void* ptr, void*) {
     // Use C-style cast to cast away const and cast type simultaneously.
     delete[] (unsigned char*)ptr;
 }