Format of readme 2

Author: itinance

README.md

@@ -28,5 +28,5 @@ sha256("Test").then( hash => {
 
 # File-Hashes
 
-If you need to calculate SHA-256 hashes from a file, use this method:
+If you need to calculate SHA-256 hashes from a file, use this method of react-native-fs:
 (https://github.com/itinance/react-native-fs#hashfilepath-string-algorithm-string-promisestring)

ios/sha256.m

@@ -22,8 +22,6 @@ @implementation sha256Lib
                   rejecter: (RCTPromiseRejectBlock) reject)
 
 {
-    NSLog(@"sha 256 %@", data);
-    
     const char* str = [data UTF8String];
     unsigned char result[CC_SHA256_DIGEST_LENGTH];
     CC_SHA256(str, strlen(str), result);