DocC fixes (#22)

- Use correct `XCTFail` symbols so they resolve
- Simplify overloads

Author: stephencelis

Sources/XCTestDynamicOverlay/Documentation.docc/UnimplementedOverloads.md

@@ -0,0 +1,21 @@
+# ``XCTestDynamicOverlay/XCTUnimplemented(_:)-3obl5``
+
+## Topics
+
+### Failure
+
+- ``XCTUnimplementedFailure``
+
+### Overloads
+
+- ``XCTUnimplemented(_:)-1jjkb``
+- ``XCTUnimplemented(_:)-1tmq0``
+- ``XCTUnimplemented(_:)-4iv80``
+- ``XCTUnimplemented(_:)-2hloh``
+- ``XCTUnimplemented(_:)-6skqm``
+- ``XCTUnimplemented(_:)-9llzg``
+- ``XCTUnimplemented(_:)-1osc7``
+- ``XCTUnimplemented(_:)-26rd5``
+- ``XCTUnimplemented(_:)-7j8g3``
+- ``XCTUnimplemented(_:)-1qks2``
+- ``XCTUnimplemented(_:)-6r8mf``

Sources/XCTestDynamicOverlay/Documentation.docc/XCTUnimplemented.md

@@ -0,0 +1,17 @@
+# ``XCTestDynamicOverlay/XCTUnimplemented(_:placeholder:file:line:)-l4v2``
+
+## Topics
+
+### Overloads
+
+- ``XCTUnimplemented(_:placeholder:file:line:)-4cefg``
+- ``XCTUnimplemented(_:placeholder:file:line:)-50but``
+- ``XCTUnimplemented(_:placeholder:file:line:)-2jqzu``
+- ``XCTUnimplemented(_:placeholder:file:line:)-9mvva``
+- ``XCTUnimplemented(_:placeholder:file:line:)-92nev``
+- ``XCTUnimplemented(_:placeholder:file:line:)-6wlpq``
+- ``XCTUnimplemented(_:placeholder:file:line:)-97hr8``
+- ``XCTUnimplemented(_:placeholder:file:line:)-qhqq``
+- ``XCTUnimplemented(_:placeholder:file:line:)-4akkm``
+- ``XCTUnimplemented(_:placeholder:file:line:)-5i77i``
+- ``XCTUnimplemented(_:placeholder:file:line:)-4xhs3``

Sources/XCTestDynamicOverlay/Documentation.docc/XCTUnimplementedPlaceholder.md

@@ -21,5 +21,3 @@ XCTest Dynamic Overlay provides APIs for invoking XCTest's `XCTFail` directly in
 
 - ``XCTUnimplemented(_:placeholder:file:line:)-l4v2``
 - ``XCTUnimplemented(_:)-3obl5``
-- <doc:UnimplementedOverloads>
-- ``XCTUnimplementedFailure``