Remove file without license header and fix file flags of non-executable .py file.

third_party/re2/patches/remove-testinstall.cc-and-fix-filepermissions.patch

Index: third_party/re2/patches/remove-testinstall.cc-and-fix-filepermissions.patch
diff --git a/third_party/re2/patches/remove-testinstall.cc-and-fix-filepermissions.patch b/third_party/re2/patches/remove-testinstall.cc-and-fix-filepermissions.patch
new file mode 100644
index 0000000000000000000000000000000000000000..6b9276982510ee39e6c9a02bfaeadb9df7b04218
--- /dev/null
+++ b/third_party/re2/patches/remove-testinstall.cc-and-fix-filepermissions.patch
@@ -0,0 +1,29 @@
+diff --git a/third_party/re2/re2/unicode.py b/third_party/re2/re2/unicode.py
+old mode 100755
+new mode 100644
+diff --git a/third_party/re2/testinstall.cc b/third_party/re2/testinstall.cc
+deleted file mode 100644
+index 40b7a8a..0000000
+--- a/third_party/re2/testinstall.cc
++++ /dev/null
+@@ -1,20 +0,0 @@
+-#include <re2/re2.h>
+-#include <re2/filtered_re2.h>
+-#include <stdio.h>
+-
+-using namespace re2;
+-
+-int main(void) {
+-	FilteredRE2 f;
+-	int id;
+-	f.Add("a.*b.*c", RE2::DefaultOptions, &id);
+-	vector<string> v;
+-	f.Compile(&v);
+-
+-	if(RE2::FullMatch("axbyc", "a.*b.*c")) {
+-		printf("PASS\n");
+-		return 0;
+-	}
+-	printf("FAIL\n");
+-	return 2;
+-}