Remove isSproutAddress

src/settings.cpp

@@ -134,13 +134,6 @@ bool Settings::isSaplingAddress(QString addr) {
            (!isTestnet() && addr.startsWith("zs1"));
 }
 
-bool Settings::isSproutAddress(QString addr) {
-    if (!isValidAddress(addr))
-        return false;
-
-    return isZAddress(addr) && !isSaplingAddress(addr);
-}
-
 bool Settings::isZAddress(QString addr) {
     if (!isValidAddress(addr))
         return false;

src/settings.h

@@ -47,7 +47,6 @@ public:
     void    setTestnet(bool isTestnet);
 
     bool    isSaplingAddress(QString addr);
-    bool    isSproutAddress(QString addr);
 
     bool    isValidSaplingPrivateKey(QString pk);
     bool    isValidTransparentPrivateKey(QString pk);