Remove unused %OnNew method from _Common class and ensure connection is established in OnInit method

Author: grongierisc

src/iop/cls/IOP/Common.cls

@@ -19,18 +19,6 @@ Property %settings As %String(MAXLEN = "");
 /// Instance of class
 Property %class As %SYS.Python;
 
-Method %OnNew(pConfigName As %String) As %Status
-{
-    set tSC = $$$OK
-    try {
-        $$$ThrowOnError(..Connect())
-        $$$ThrowOnError($method($this,"initConfig",.pConfigName)) ; call subclass
-    } catch ex {
-        set tSC = ex.AsStatus()
-    }
-    quit tSC
-}
-
 /// Get Class
 Method GetClass() As %SYS.Python
 {
@@ -53,6 +41,7 @@ Method OnInit() As %Status
 {
     set tSC = $$$OK
     try {
+        $$$ThrowOnError(..Connect())
         do ..%class."_dispatch_on_init"($this)
     } catch ex {
         set tSC = ex.AsStatus()