Renamed methods [skip ci]

Author: ankane

lib/lightgbm/inner_predictor.rb

@@ -63,7 +63,7 @@ def predict(data, start_iteration: 0, num_iteration: -1, raw_score: false, pred_
       end
 
       preds, nrow =
-        pred_for_array2d(
+        pred_for_array(
           data,
           start_iteration,
           num_iteration,
@@ -87,20 +87,20 @@ def predict(data, start_iteration: 0, num_iteration: -1, raw_score: false, pred_
 
     private
 
-    def pred_for_array2d(input, start_iteration, num_iteration, predict_type)
+    def pred_for_array(input, start_iteration, num_iteration, predict_type)
       nrow = input.count
       if nrow > MAX_INT32
         raise Error, "Not supported"
       end
-      inner_predict_array2d(
+      inner_predict_array(
         input,
         start_iteration,
         num_iteration,
         predict_type
       )
     end
 
-    def inner_predict_array2d(input, start_iteration, num_iteration, predict_type)
+    def inner_predict_array(input, start_iteration, num_iteration, predict_type)
       n_preds =
         num_preds(
           start_iteration,