Revert #737

Signed-off-by: Richie Bendall <richiebendall@gmail.com>

c/c++98.cpp

@@ -1,9 +0,0 @@
-#include<iostream.h>
-#include<conio.h>
-
-int main(int argc, char** argv)
-{
-    cout << "Hello World" << endl;
-    getch();
-    return 0;
-}

c/c90.c

@@ -1,7 +0,0 @@
-#include<stdio.h>
-
-int main(int argc, char** argv)
-{
-    printf("Hello World\n");
-    return 0;
-}