parisc: Fix comment typo in fault.c

The double `the' is duplicated in line 41, remove one.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Helge Deller <deller@gmx.de>

arch/parisc/mm/fault.c

@@ -38,7 +38,7 @@ int show_unhandled_signals = 1;
 /*
  * parisc_acctyp(unsigned int inst) --
  *    Given a PA-RISC memory access instruction, determine if the
- *    the instruction would perform a memory read or memory write
+ *    instruction would perform a memory read or memory write
  *    operation.
  *
  *    This function assumes that the given instruction is a memory access