Autoaccepts the interactive prompt:
"Could not find ex_doc! Do you want to download latest ex_doc from github? (y/n)?"
when building docs.

--- a/make/ex_doc_wrapper.in
+++ b/make/ex_doc_wrapper.in
@@ -10,21 +10,12 @@ if [ ! -f "${EX_DOC}" ]; then
 fi
 
 if [ -z "${EX_DOC}" ]; then
-    echo -n "Could not find ex_doc! "
-    read -p "Do you want to download latest ex_doc from github? (y/n)? " -n 1 -r
-    echo
-    if [[ $REPLY =~ ^[Yy]$ ]]
-    then
+    echo -n "Could not find ex_doc! Downloading the latest ex_doc from github..."
         if $ERL_TOP/otp_build download_ex_doc; then
-            read -p "Press any key to continue..." -n 1 -r
-            echo "continuing"
             EX_DOC=$(command -v ex_doc || true)
         else
             exit 1
         fi
-    else
-        exit 1
-    fi
 fi
 
 ## The below bash magic captures the output of stderr into OUTPUT while still printing