lint: remove broken lint selection

The first line ended with a period instead of a comma, but both lints
were additionally unhelpful for quickshell.

.clang-tidy

@@ -17,8 +17,6 @@ Checks: >
   -cppcoreguidelines-avoid-goto,
   -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
   -cppcoreguidelines-avoid-do-while,
-  google-build-using-namespace.
-  google-explicit-constructor,
   google-global-names-in-headers,
   google-readability-casting,
   google-runtime-int,