[llvm] [SDPatternMatch] Simplify EffectiveOperands and drop the template specialization. NFC (PR #226036)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h -- llvm/include/llvm/CodeGen/SDPatternMatch.h --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/include/llvm/CodeGen/SDPatternMatch.h b/llvm/include/llvm/CodeGen/SDPatternMatch.h
index 2084d1aab..80804a22a 100644
--- a/llvm/include/llvm/CodeGen/SDPatternMatch.h
+++ b/llvm/include/llvm/CodeGen/SDPatternMatch.h
@@ -404,8 +404,7 @@ template <bool ExcludeChain> struct EffectiveOperands {
   unsigned Size = 0;
   unsigned FirstIndex = 0;
 
-  explicit EffectiveOperands(SDValue N)
-      : Size(N->getNumOperands()) {
+  explicit EffectiveOperands(SDValue N) : Size(N->getNumOperands()) {
     if (ExcludeChain) {
       // Glue if present, is the last operand.
       if (Size != 0 && N->getOperand(Size - 1).getValueType() == MVT::Glue)

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https://github.com/llvm/llvm-project/pull/226036