[sycl-cts] Enable test_bit_cast (#19098)

The issue was fixed with the recent llvm-spirv PD.

Author: KornevNikita

sycl/cts_exclude_filter/compfails

@@ -1,6 +1,4 @@
 # Please use "#" to add comments here.
 # Do not delete the file even if it's empty.
-# https://github.com/intel/llvm/issues/18540
-bit_cast
 # https://github.com/intel/llvm/issues/18947
 event