NFC: Remove unused default cl::opt value.

The default value is never used as the value of the elide option is only used if it has an occurrence.

PiperOrigin-RevId: 273545143
diff --git a/third_party/mlir/lib/IR/AsmPrinter.cpp b/third_party/mlir/lib/IR/AsmPrinter.cpp
index 42b9722..f44aa71b 100644
--- a/third_party/mlir/lib/IR/AsmPrinter.cpp
+++ b/third_party/mlir/lib/IR/AsmPrinter.cpp
@@ -62,8 +62,7 @@
 static llvm::cl::opt<unsigned> elideElementsAttrIfLarger(
     "mlir-elide-elementsattrs-if-larger",
     llvm::cl::desc("Elide ElementsAttrs with \"...\" that have "
-                   "more elements than the given upper limit"),
-    llvm::cl::init(16));
+                   "more elements than the given upper limit"));
 
 static llvm::cl::opt<bool>
     printDebugInfoOpt("mlir-print-debuginfo",