[flang][NFC] Remove unused DispatchTableop fct

Remove `appendTableEntry` as it is not used.

Reviewed By: jeanPerier, PeteSteinfeld

Differential Revision: https://reviews.llvm.org/D138293

Author: clementval

flang/include/flang/Optimizer/Dialect/FIROps.td

@@ -2822,9 +2822,6 @@ def fir_DispatchTableOp : fir_Op<"dispatch_table",
   ];
 
   let extraClassDeclaration = [{
-    /// Append a dispatch table entry to the table.
-    void appendTableEntry(mlir::Operation *op);
-
     static constexpr llvm::StringRef getParentAttrNameStr() { return "parent"; }
     static constexpr llvm::StringRef getExtendsKeyword() { return "extends"; }
 

flang/lib/Optimizer/Dialect/FIROps.cpp

@@ -1083,12 +1083,6 @@ mlir::FunctionType fir::DispatchOp::getFunctionType() {
 // DispatchTableOp
 //===----------------------------------------------------------------------===//
 
-void fir::DispatchTableOp::appendTableEntry(mlir::Operation *op) {
-  assert(mlir::isa<fir::DTEntryOp>(*op) && "operation must be a DTEntryOp");
-  auto &block = getBlock();
-  block.getOperations().insert(block.end(), op);
-}
-
 mlir::ParseResult fir::DispatchTableOp::parse(mlir::OpAsmParser &parser,
                                               mlir::OperationState &result) {
   // Parse the name as a symbol reference attribute.