remove 2.2 from the SPIR-V Environment Spec link

The OpenCL SPIR-V Environment Spec is "unified" for all versions
of OpenCL; it is not specific to OpenCL 2.2.  It effectively
replaces the OpenCL 2.1 SPIR-V Environment spec.
1 file changed
tree: 54f26744548b66e0cbce02cde73346348d8da055
  1. README.adoc
  2. api/
  3. extensions/
  4. index.php
  5. sdk/
  6. specs/
  7. xml/