refactor: remove cn.hutool:hutool-crypto

for Digest/AES/DES/3DES use `io.legado.app.utils`
for dateformat use `java.text.SimpleDateFormat`

app/build.gradle

@@ -249,7 +249,7 @@ dependencies {
     implementation('com.github.liuyueyi.quick-chinese-transfer:quick-transfer-core:0.2.3')
 
     //加解密类库
-    implementation('cn.hutool:hutool-crypto:5.8.1')
+    //implementation('cn.hutool:hutool-crypto:5.8.1')
 
     //renderscriptToolkit
     implementation('com.github.android:renderscript-intrinsics-replacement-toolkit:b6363490c3')