Remove obsolete stuffs

bin/git/usr/share/awk/readfile.awk

@@ -0,0 +1,15 @@
+# readfile.awk --- read an entire file at once
+#
+# Original idea by Denis Shirokov, cosmogen@gmail.com, April 2013
+#
+
+function readfile(file,     tmp, save_rs)
+{
+    save_rs = RS
+    RS = "^$"
+    getline tmp < file
+    close(file)
+    RS = save_rs
+
+    return tmp
+}