Revert "Update AlphaVantage to use the non-premium endpoint to read h…

…istorical prices"

This reverts commit e9e6e00.

Closes #3605

name.abuchen.portfolio/src/name/abuchen/portfolio/online/impl/AlphavantageQuoteFeed.java

@@ -193,7 +193,7 @@ private QuoteFeedData getHistoricalQuotes(Security security, boolean collectRawR
         {
             @SuppressWarnings("nls")
             WebAccess webaccess = new WebAccess("www.alphavantage.co", "/query") //
-                            .addParameter("function", "TIME_SERIES_DAILY_ADJUSTED") //
+                            .addParameter("function", "TIME_SERIES_DAILY") //
                             .addParameter("symbol", security.getTickerSymbol()) //
                             .addParameter("apikey", apiKey) //
                             .addParameter("datatype", "csv") //
@@ -208,8 +208,7 @@ private QuoteFeedData getHistoricalQuotes(Security security, boolean collectRawR
                 return data;
 
             // poor man's check
-            if (!"timestamp,open,high,low,close,adjusted_close,volume,dividend_amount,split_coefficient" //$NON-NLS-1$
-                            .equals(lines[0]))
+            if (!"timestamp,open,high,low,close,volume".equals(lines[0])) //$NON-NLS-1$
             {
                 data.addError(new IOException(MessageFormat.format(Messages.MsgUnexpectedHeader, html)));
                 return data;
@@ -222,7 +221,7 @@ private QuoteFeedData getHistoricalQuotes(Security security, boolean collectRawR
                 String line = lines[ii];
 
                 String[] values = line.split(","); //$NON-NLS-1$
-                if (values.length != 9)
+                if (values.length != 6)
                     throw new IOException(MessageFormat.format(Messages.MsgUnexpectedValue, line));
 
                 LatestSecurityPrice price = new LatestSecurityPrice();
@@ -235,7 +234,7 @@ private QuoteFeedData getHistoricalQuotes(Security security, boolean collectRawR
 
                 price.setHigh(asPrice(values[2]));
                 price.setLow(asPrice(values[3]));
-                price.setVolume(Long.parseLong(values[6]));
+                price.setVolume(Long.parseLong(values[5]));
 
                 if (price.getValue() != 0)
                     data.addPrice(price);