bugfix: the geometric functions do not operate componentwise (#1137)

Author: bashbaug

OpenCL_C.txt

@@ -6537,13 +6537,8 @@ endif::cl_khr_fp16[]
 
 [open,refpage='geometricFunctions',desc='Geometric Functions',type='freeform',spec='clang',anchor='geometric-functions',xrefs='integerFunctions',alias='cross dot distance length normalize fast_distance fast_length fast_normalize']
 --
-// TODO It is not actually true that these functions operate -
-// TODO in general they *combine* components.
-
 The <<table-builtin-geometric, following table>> describes the list of built-in
 geometric functions.
-These all operate component-wise.
-The description is per-component.
 
 The generic type name `gentypef` indicates that the function can take any of