remove unused code from vendor

vendor/github.com/go-sql-driver/mysql/.github/ISSUE_TEMPLATE.md

@@ -1,21 +0,0 @@
-### Issue description
-Tell us what should happen and what happens instead
-
-### Example code
-```go
-If possible, please enter some example code here to reproduce the issue.
-```
-
-### Error log
-```
-If you have an error log, please paste it here.
-```
-
-### Configuration
-*Driver version (or git SHA):*
-
-*Go version:* run `go version` in your console
-
-*Server version:* E.g. MySQL 5.6, MariaDB 10.0.20
-
-*Server OS:* E.g. Debian 8.1 (Jessie), Windows 10

vendor/github.com/go-sql-driver/mysql/.github/PULL_REQUEST_TEMPLATE.md

@@ -1,9 +0,0 @@
-### Description
-Please explain the changes you made here.
-
-### Checklist
-- [ ] Code compiles correctly
-- [ ] Created tests which fail without the change (if possible)
-- [ ] All tests passing
-- [ ] Extended the README / documentation, if necessary
-- [ ] Added myself / the copyright holder to the AUTHORS file