Remove tests from .vscode-template/settings.json

This settings is not only for code search, but also for "ctrl+P" (the
quick goto file menu), so having tests there makes its anoying to open
test files.

Author: OlivierBlanvillain

.vscode-template/settings.json

@@ -9,7 +9,6 @@
     "**/*.class": true,
     "**/*.hasTasty": true,
     "**/target/": true,
-    "tests/": true,
     "community-build/community-projects": true
   }
 }