ast,cgen: remove instrumentation for the cached ident lookup, cleanup

vlib/v/ast/str.v

@@ -394,16 +394,6 @@ __global nested_expr_str_calls = i64(0)
 // too big values, risk stack overflow in `${expr}` (which uses `expr.str()`) calls
 const max_nested_expr_str_calls = 300
 
-__global expr_str_ident_calls = i64(0)
-__global expr_str_ident_calls_consts = i64(0)
-__global expr_str_ident_calls_normal = i64(0)
-
-pub fn dump_counters() {
-	dump(expr_str_ident_calls)
-	dump(expr_str_ident_calls_consts)
-	dump(expr_str_ident_calls_normal)
-}
-
 // string representation of expr
 pub fn (x &Expr) str() string {
 	str_calls := stdatomic.add_i64(&nested_expr_str_calls, 1)
@@ -525,29 +515,22 @@ pub fn (x &Expr) str() string {
 			return 'spawn ${x.call_expr}'
 		}
 		Ident {
-			expr_str_ident_calls++
 			if x.cached_name != '' {
 				return x.cached_name
 			}
 			if obj := x.scope.find('${x.mod}.${x.name}') {
-				expr_str_ident_calls_consts++
 				if obj is ConstField && x.mod != 'main' {
 					last_mod := x.mod.all_after_last('.')
-					res := '${last_mod}.${x.name}'
-					// println('px: ${voidptr(px)} | res: $res')
 					unsafe {
-						x.cached_name = res
+						x.cached_name = '${last_mod}.${x.name}'
 					}
-					return res
+					return x.cached_name
 				}
 			}
-			expr_str_ident_calls_normal++
-			res := x.name.clone()
-			// println('px: ${voidptr(px)} | res: $res')
 			unsafe {
-				x.cached_name = res
+				x.cached_name = x.name.clone()
 			}
-			return res
+			return x.cached_name
 		}
 		IfExpr {
 			mut parts := []string{}

vlib/v/gen/c/cgen.v

@@ -269,7 +269,6 @@ struct GlobalConstDef {
 }
 
 pub fn gen(files []&ast.File, mut table ast.Table, pref_ &pref.Preferences) (string, string, string, []int) {
-	defer { ast.dump_counters() }
 	mut module_built := ''
 	if pref_.build_mode == .build_module {
 		for file in files {