Rename libhdf5.settings.cmake.in -> libhdf5.settings.in (#5805)

The `cmake` part of the name is an artifact from when there were
Autotools and CMake versions of this file.

Author: derobins

CMakeInstallation.cmake

@@ -135,15 +135,15 @@ if (NOT HDF5_EXTERNALLY_CONFIGURED)
 endif ()
 
 #-----------------------------------------------------------------------------
-# Configure the libhdf5.settings file for the lib info
+# Configure the libhdf5.settings file with library info
 #-----------------------------------------------------------------------------
 if (H5_WORDS_BIGENDIAN)
   set (BYTESEX big-endian)
 else ()
   set (BYTESEX little-endian)
 endif ()
 configure_file (
-    ${HDF5_SOURCE_DIR}/src/libhdf5.settings.cmake.in
+    ${HDF5_SOURCE_DIR}/src/libhdf5.settings.in
     ${HDF5_SRC_BINARY_DIR}/libhdf5.settings ESCAPE_QUOTES @ONLY
 )
 install (