org-compat: Remove unnecessary obsolete definitions

lisp/org-compat.el

@@ -464,12 +464,6 @@ use of this function is for the stuck project list."
 (define-obsolete-function-alias 'org-babel-strip-quotes
   'org-strip-quotes "Org 9.2")
 
-(define-obsolete-function-alias 'org-clock-report
-  'org-dynamic-block-insert-dblock "Org 9.3")
-
-(define-obsolete-function-alias 'org-columns-insert-dblock
-  'org-dynamic-block-insert-dblock "Org 9.3")
-
 ;;;; Obsolete link types
 
 (eval-after-load 'org