removed obsolete PythonContext.INITIALIZE_DATETIME_CAPI

Author: tomasstupka

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/PythonContext.java

@@ -146,8 +146,6 @@
 import com.oracle.truffle.llvm.api.Toolchain;
 
 public final class PythonContext extends Python3Core {
-    private static final String INITIALIZE_DATETIME_CAPI = "initialize_datetime_capi";
-
     private static final Source IMPORT_WARNINGS_SOURCE = Source.newBuilder(PythonLanguage.ID, "import warnings\n", "<internal>").internal(true).build();
     private static final Source FORCE_IMPORTS_SOURCE = Source.newBuilder(PythonLanguage.ID, "import site\n", "<internal>").internal(true).build();
     private static final TruffleLogger LOGGER = PythonLanguage.getLogger(PythonContext.class);