removed unused code

sudoku.c

@@ -88,27 +88,6 @@ void printDumpSudoku() {
     printf("+-------+-------+-------+\n");
 }
 
-void printDumpQuadrat(int q[]) {
-    for (int row = 0; row < 3; row++) {
-        if (row % 3 == 0) {
-            printf("+-------+\n");
-        }
-        for (int col = 0; col < 3; col++) {
-            if (col % 3 == 0) {
-                if (col != 0) {
-                    printf(" ");
-                }
-                printf("|");
-            }
-
-            int f = calculateField(row, col);
-            printf(" %d", q[f]);
-        }
-        printf(" |\n");
-    }
-    printf("+-------+\n");
-}
-
 // checks if this value is present anywhere in the row
 bool isInRow(int row, int val) {
     for (int col = 0; col < 9; col++) {
@@ -305,7 +284,6 @@ int main() {
             }
 
             // check if only one field is left undefined -> hast to be the one special value
-            int undefinedFound = VALUE_UNDEFINED;
             for (int f = 0; f < 9; f++) {
                 // keep in mind that sudoku array might have changed since evaluation
                 // -> ignore already set values