Force everything to use python3 for consistency.
Rather than "whatever people have installed as 'python' on their machine".
I've removed check-symbols.py because that's been broken for years and
we never even noticed, and I'm not sure it's worth fixing.
Test: treehugger, manual
Change-Id: Ieb996bbdf790a18d4b1fb46a409cc240ba2a2a49
diff --git a/libc/tools/generate_notice.py b/libc/tools/generate_notice.py
index e0e6b32..e4318b2 100755
--- a/libc/tools/generate_notice.py
+++ b/libc/tools/generate_notice.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
# Run with directory arguments from any directory, with no special setup
# required.