removed scm_rev.h from version control

src/common/scm_rev.h

@@ -1,4 +0,0 @@
-#define SCM_REV_STR "d0674cc98bfa5729168274cde62a4e69343f8524"
-#define SCM_DESC_STR "d0674cc"
-#define SCM_BRANCH_STR "master"
-#define SCM_IS_MASTER 1