COMP: Simplify H5Tinit.c file generation

ITK does not support many of the possible
build options for HDF5 generation of build-time
source files.  Commented out many of the unused
conditional build options to help identify the
relevant code paths that needed to be fixed.

Building with shared libraries with ninja
and CMake >= 3.22.1 resulted in failures due
to dependancy relationships that could not
be resolved by ninja.

```bash
ninja: error:
'Modules/ThirdParty/HDF5/src/itkhdf5/src/H5lib_settings.c', needed by
'Modules/ThirdParty/HDF5/src/itkhdf5/src/shared/H5lib_settings.c',
missing and no known rule to make it
```

https://cmake.org/cmake/help/latest/policy/CMP0058.html

Modules/ThirdParty/HDF5/src/itkhdf5/src/CMakeLists.txt

@@ -1046,7 +1046,9 @@ if (LOCAL_BATCH_TEST)
 endif ()
 
 set (lib_prog_deps)
+#[[ ITK -- start
 if (NOT EXISTS "${HDF5_GENERATED_SOURCE_DIR}/H5Tinit.c")
+# ITK -- stop ]]
   add_executable (H5detect ${HDF5_SRC_DIR}/H5detect.c)
   target_include_directories (H5detect PRIVATE "${HDF5_SRC_DIR};${HDF5_SRC_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
   target_compile_definitions(H5detect PUBLIC ${HDF_EXTRA_C_FLAGS} ${HDF_EXTRA_FLAGS})
@@ -1059,13 +1061,14 @@ if (NOT EXISTS "${HDF5_GENERATED_SOURCE_DIR}/H5Tinit.c")
   )
   set (lib_prog_deps ${lib_prog_deps} H5detect)
 
+#[[ ITK -- start
   if (HDF5_BATCH_H5DETECT)
     configure_file (
         ${HDF5_SOURCE_DIR}/bin/batch/${HDF5_BATCH_H5DETECT_SCRIPT}.in.cmake
         ${HDF5_BINARY_DIR}/${HDF5_BATCH_H5DETECT_SCRIPT} ESCAPE_QUOTES @ONLY
     )
     add_custom_command (
-        OUTPUT     gen_SRCS.stamp1
+        OUTPUT     gen_SRCS.stamp1 H5Tinit.c
         COMMAND    ${HDF5_BATCH_CMD}
         ARGS       ${HDF5_BINARY_DIR}/${HDF5_BATCH_H5DETECT_SCRIPT}
         BYPRODUCTS H5Tinit.c gen_SRCS.stamp1
@@ -1081,6 +1084,7 @@ if (NOT EXISTS "${HDF5_GENERATED_SOURCE_DIR}/H5Tinit.c")
     )
     set_source_files_properties (${HDF5_GENERATED_SOURCE_DIR}/H5Tinit.c PROPERTIES GENERATED TRUE)
   else ()
+# ITK -- stop ]]
     add_custom_command (TARGET H5detect POST_BUILD
         COMMAND    ${CMAKE_CROSSCOMPILING_EMULATOR} $<TARGET_FILE:H5detect>
         ARGS       H5Tinit.c
@@ -1105,7 +1109,10 @@ if (NOT EXISTS "${HDF5_GENERATED_SOURCE_DIR}/H5Tinit.c")
       )
       set_source_files_properties (${HDF5_GENERATED_SOURCE_DIR}/shared/H5Tinit.c PROPERTIES GENERATED TRUE)
     endif ()
+#[[ ITK -- start
   endif ()
+# ITK -- stop ]]
+#[[ ITK -- start
 else ()
   add_custom_command (
       OUTPUT     gen_SRCS.stamp1
@@ -1131,6 +1138,7 @@ else ()
     set_source_files_properties (${HDF5_GENERATED_SOURCE_DIR}/shared/H5Tinit.c PROPERTIES GENERATED TRUE)
   endif ()
 endif ()
+# ITK -- stop ]]
 
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 # Add Target to clang-format