proc.c: Remove unused parameter [ci skip]

proc.c

@@ -760,7 +760,7 @@ rb_func_lambda_new(rb_block_call_func_t func, VALUE val, int min_argc, int max_a
 static const char proc_without_block[] = "tried to create Proc object without a block";
 
 static VALUE
-proc_new(VALUE klass, int8_t is_lambda, int8_t kernel)
+proc_new(VALUE klass, int8_t is_lambda)
 {
     VALUE procval;
     const rb_execution_context_t *ec = GET_EC();
@@ -825,7 +825,7 @@ proc_new(VALUE klass, int8_t is_lambda, int8_t kernel)
 static VALUE
 rb_proc_s_new(int argc, VALUE *argv, VALUE klass)
 {
-    VALUE block = proc_new(klass, FALSE, FALSE);
+    VALUE block = proc_new(klass, FALSE);
 
     rb_obj_call_init_kw(block, argc, argv, RB_PASS_CALLED_KEYWORDS);
     return block;
@@ -834,7 +834,7 @@ rb_proc_s_new(int argc, VALUE *argv, VALUE klass)
 VALUE
 rb_block_proc(void)
 {
-    return proc_new(rb_cProc, FALSE, FALSE);
+    return proc_new(rb_cProc, FALSE);
 }
 
 /*
@@ -847,13 +847,13 @@ rb_block_proc(void)
 static VALUE
 f_proc(VALUE _)
 {
-    return proc_new(rb_cProc, FALSE, TRUE);
+    return proc_new(rb_cProc, FALSE);
 }
 
 VALUE
 rb_block_lambda(void)
 {
-    return proc_new(rb_cProc, TRUE, FALSE);
+    return proc_new(rb_cProc, TRUE);
 }
 
 static void