Enabled checking for missing @Override annotation (#187)

Signed-off-by: David Matějček <david.matejcek@omnifish.ee>
diff --git a/.github/codeql/santuario.qls b/.github/codeql/santuario.qls
index 2f8140a..2a69e4f 100644
--- a/.github/codeql/santuario.qls
+++ b/.github/codeql/santuario.qls
@@ -1,5 +1,3 @@
 - import: codeql-suites/java-security-and-quality.qls
   from: codeql-java
-- exclude:
-    id: java/missing-override-annotation