[mlir][sparse] enable rt path for transpose COO (llvm#76747)

COO has been supported for a while now on both
lib and codegen path. So enabling this test for
all paths and removing obsolete FIXME

Author: aartbik

mlir/test/Integration/Dialect/SparseTensor/CPU/sparse_transpose_coo.mlir

@@ -17,8 +17,7 @@
 // DEFINE: %{env} =
 //--------------------------------------------------------------------------------------------------
 
-// FIXME: lib path does not support all of COO yet
-// R_U_N: %{compile} | %{run} | FileCheck %s
+// RUN: %{compile} | %{run} | FileCheck %s
 //
 // Do the same run, but now with direct IR generation.
 // REDEFINE: %{sparsifier_opts} = enable-runtime-library=false