Remove double check_nargs call

This causes double lines in the error output: ``` bpftrace -e 'BEGIN{ @=1 } i:ms:1 { zero(@,1); }' zero() should take 1 arguments (2 provided) zero() should take 1 arguments (2 provided) ```
bpftrace · Jun 5, 2019 · c226c10 · c226c10
1 parent 41036b9
commit c226c10
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/src/ast/semantic_analyser.cpp b/src/ast/semantic_analyser.cpp
@@ -460,7 +460,6 @@ void SemanticAnalyser::visit(Call &call)
   }
   else if (call.func == "clear") {
     check_assignment(call, false, false);
-    check_nargs(call, 1);
     if (check_nargs(call, 1)) {
       auto &arg = *call.vargs->at(0);
       if (!arg.is_map)
@@ -477,7 +476,6 @@ void SemanticAnalyser::visit(Call &call)
   }
   else if (call.func == "zero") {
     check_assignment(call, false, false);
-    check_nargs(call, 1);
     if (check_nargs(call, 1)) {
       auto &arg = *call.vargs->at(0);
       if (!arg.is_map)