refactor(viperc): 退役 t/c 模块标记，内建类型改由编译器直接识别

App/lib/Phase/Phase2/__init__.vp

@@ -440,8 +440,6 @@ def _PhaseADumpNode(temp_dir: str, td_len: sizet, sha1: str, depth: int, prefix:
             nm[tl] = 0
             is_last: int = 0
             if idx + 1 >= token_count: is_last = 1
-            builtin: int = 0
-            if string.strcmp(nm, "t") == 0 or string.strcmp(nm, "c") == 0: builtin = 1
             dep_sha1: str = _PhaseAResolveDepSha1(nm)
             txt_ok: int = 0
             if dep_sha1 is not None: txt_ok = _PhaseATextLLExists(temp_dir, td_len, dep_sha1)
@@ -449,10 +447,7 @@ def _PhaseADumpNode(temp_dir: str, td_len: sizet, sha1: str, depth: int, prefix:
             # stack pointer for a literal -> printf %s crashes and the graph output is swallowed)
             br_1: str = "|-- "
             br_2: str = "`-- "
-            if builtin != 0:
-                if is_last != 0: stdio.printf("%s%s%s (builtin)\n", prefix, br_2, nm)
-                else: stdio.printf("%s%s%s (builtin)\n", prefix, br_1, nm)
-            elif dep_sha1 is None:
+            if dep_sha1 is None:
                 if is_last != 0: stdio.printf("%s%s%s (unresolved)\n", prefix, br_2, nm)
                 else: stdio.printf("%s%s%s (unresolved)\n", prefix, br_1, nm)
             elif txt_ok != 0:
@@ -463,7 +458,7 @@ def _PhaseADumpNode(temp_dir: str, td_len: sizet, sha1: str, depth: int, prefix:
                 else: stdio.printf("%s%s%s [MISS] text.ll=%s\n", prefix, br_1, nm, dep_sha1)
             # Drill down: MISS follows the whole chain (to PA_GRAPH_DEPTH_MAX); OK probes 1 level only
             can_expand: int = 0
-            if dep_sha1 is not None and builtin == 0:
+            if dep_sha1 is not None:
                 if txt_ok == 0:
                     if depth + 1 < PA_GRAPH_DEPTH_MAX: can_expand = 1
                 else: