Revert "[fix] Add newline after --count or --count-lines result"

This reverts commit 4da8d5a.

src/tools/rapidgzip.cpp

@@ -510,7 +510,7 @@ rapidgzipCLI( int                  argc,
 
         auto& out = writeToStdErr ? std::cerr : std::cout;
         if ( countBytes != countLines ) {
-            out << ( countBytes ? totalBytesRead : newlineCount ) << "\n";
+            out << ( countBytes ? totalBytesRead : newlineCount );
         } else if ( countBytes && countLines ) {
             out << "Size: " << totalBytesRead << "\n";
             out << "Lines: " << newlineCount << "\n";