[ghc-random] only need from ghc 7.4 on

[Jens Petersen]

commit 67bfb9e65b0e7147149ba2a73f78b2f99249f8d0
Author: Jens Petersen <petersen at redhat.com>
Date:   Wed Mar 21 23:24:13 2012 +0900

    only need from ghc 7.4 on

 .gitignore      |    2 -
 dead.package    |    1 +
 ghc-random.spec |   68 -------------------------------------------------------
 sources         |    1 -
 4 files changed, 1 insertions(+), 71 deletions(-)
---
diff --git a/dead.package b/dead.package
new file mode 100644
index 0000000..107396f
--- /dev/null
+++ b/dead.package
@@ -0,0 +1 @@
+not needed for ghc-7.0.x
\ No newline at end of file