Remove unneeded example parameter files from top dir.

hctest.input

-begin parm constants
-#include "hctest_include.input"
-  proton = 938.272   ; <- Comment character
-  neutron = 939.57 
-  pion = 139.57
-  pizero = 134.97
-  ; The following fills an array
-  offsets = 0.34, 5.7, 0.1, -.4   ; Wire Chamber offsets
-            0.0, .1356, -1.3, 8.6
-  ; array fills may take multiple lines
-  integerarray = 3 ; Example integer array
-   5, 64, 4,2 ,3,4, 543 , 543 , 3
-  anotherarray = 1,2,3,4
-      5.6, 3.4  ; Example real array
-  thmin = -50
-  thmax = 50
-  phimin = -40
-  phimax = 40
-  ; Lines from begin to end are called a block
-  hbook_filename = 'gaw.hist' ; String
-  report_filename = 'gaw.report'
-end parm constants
-

hctest_include.input

- includearray = 5,4,3,2,1