STYLE: foamDictionary does not need to set FOAM_API

- already done in argList

applications/utilities/miscellaneous/foamDictionary/foamDictionary.C

@@ -129,7 +129,6 @@ Usage
 #include "Fstream.H"
 #include "etcFiles.H"
 #include "includeEntry.H"
-#include "foamVersion.H"
 
 using namespace Foam;
 
@@ -329,9 +328,6 @@ int main(int argc, char *argv[])
 
     argList args(argc, argv);
 
-    // OPENFOAM API
-    setEnv("FOAM_API", std::to_string(foamVersion::api), true);
-
     const bool listIncludes = args.found("includes");
 
     if (listIncludes)