Adsk contrib - Remove dev suffix from RB-2.1 (#1653)

* Removing dev suffix in RB-2.1 for 2.0.4 and 2.1.2 patch releases.

Signed-off-by: Cedrik Fuoco <cedrik.fuoco@autodesk.com>

* Keep the line but make it empty instead

Signed-off-by: Cedrik Fuoco <cedrik.fuoco@autodesk.com>

CMakeLists.txt

@@ -34,7 +34,7 @@ project(OpenColorIO
     LANGUAGES CXX C)
 
 # "dev", "beta1", rc1", etc or "" for an official release.
-set(OpenColorIO_VERSION_RELEASE_TYPE "dev")
+set(OpenColorIO_VERSION_RELEASE_TYPE "")
 
 
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