Revert "test/check-implication/issue-1665-spec.k"

This reverts commit 508d58b.

Author: ttuegel

test/check-implication/issue-1665-spec.k

@@ -1,8 +1,5 @@
 module VERIFICATION
   import TEST
-
-  rule begin _ => end 0
-
 endmodule
 
 module ISSUE-1916-SPEC
@@ -11,5 +8,5 @@ module ISSUE-1916-SPEC
   // Proving this claim requires that the right-hand side is simplified using
   // the conditions from the left-hand side.
   //
-  rule <k> begin _ => end ?_ </k> requires isFun(X) ensures true #And #Ceil(fun(X))
+  rule <k> begin => end </k> requires isFun(X) ensures true #And #Ceil(fun(X))
 endmodule

test/check-implication/issue-1665-spec.k.out.golden

@@ -1,8 +1,7 @@
 module TEST-SYNTAX
   import INT
 
-  syntax Pgm ::= "begin" Int [unused]
-  syntax Pgm ::= "end" Int [unused]
+  syntax Pgm ::= "begin" | "end"
   syntax Int ::= fun(Int) [function, no-evaluators]
   syntax Bool ::= isFun(Int) [function, functional, no-evaluators]
 
@@ -13,6 +12,8 @@ module TEST
 
   configuration <k> $PGM:Pgm </k>
 
+  rule begin => end
+
   rule [ceil-fun]: #Ceil(fun(X:Int)) => #True requires isFun(X) [anywhere, simplification]
 
 endmodule