SK-2116 update masking method readme and sample (#182)

Author: raushan-skyflow

README.md

@@ -1929,7 +1929,7 @@ try:
         # Image-specific options
         # output_processed_image=True,  # Include processed image
         # output_ocr_text=True,  # Include OCR text
-        # masking_method=MaskingMethod.BLACKOUT,  # Masking method
+        # masking_method=MaskingMethod.BLACKBOX,  # Masking method
 
         # PDF-specific options
         # pixel_density=1.5,  # PDF processing density

samples/detect_api/deidentify_file.py

@@ -65,7 +65,7 @@ def perform_file_deidentification():
             # Image-specific options
             output_processed_image=True,  # Include processed image in output
             output_ocr_text=True,  # Include OCR text in response
-            masking_method=MaskingMethod.BLACKOUT,  # Masking method for images
+            masking_method=MaskingMethod.BLACKBOX,  # Masking method for images
 
             # PDF-specific options
             pixel_density=15,  # Pixel density for PDF processing