src: remove process._inspectorEnbale

This commit removes process._inspectorEnbale which was
spelled incorrectly, and is being properly implemented
in a separate PR.

Refs: nodejs#12949
PR-URL: nodejs#13460
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Luca Maraschi <luca.maraschi@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

src/node.cc

@@ -3400,13 +3400,7 @@ void SetupProcessObject(Environment* env,
     READONLY_PROPERTY(process, "traceDeprecation", True(env->isolate()));
   }
 
-  // TODO(refack): move the following 4 to `node_config`
-  // --inspect
-  if (debug_options.inspector_enabled()) {
-    READONLY_DONT_ENUM_PROPERTY(process,
-                                "_inspectorEnbale", True(env->isolate()));
-  }
-
+  // TODO(refack): move the following 3 to `node_config`
   // --inspect-brk
   if (debug_options.wait_for_connect()) {
     READONLY_DONT_ENUM_PROPERTY(process,