Revert "Fixed namespace compiler preprocessor implicitly expecting values in non-variable node types (fixes #680)"
Revert "Fixed namespace compiler preprocessor implicitly expecting values in non-variable node types (fixes #680)"

This reverts commit a3164aca6bf8b519da3e43eb54e8b2436ae63795.

open62541/open62541,open62541/open62541,JGrothoff/open62541,StalderT/open62541,jpfr/open62541,JGrothoff/open62541,JGrothoff/open62541,StalderT/open62541,StalderT/open62541,StalderT/open62541,jpfr/open62541,open62541/open62541,JGrothoff/open62541,jpfr/open62541,jpfr/open62541,open62541/open62541