depends: drop qtbase-moc-ignore-gcc-macro.patch qt patch

Looks like this was fixed in 6.5 or 6.6, via
https://codereview.qt-project.org/c/qt/qtbase/+/492580.

depends/patches/qt/qtbase-moc-ignore-gcc-macro.patch

@@ -1,17 +0,0 @@
-The moc executable loops through headers on CPLUS_INCLUDE_PATH and stumbles
-on the GCC internal _GLIBCXX_VISIBILITY macro.  Tell it to ignore it as it is
-not supposed to be looking there to begin with.
-
-Upstream report: https://bugreports.qt.io/browse/QTBUG-83160
-
-diff --git a/qtbase/src/tools/moc/main.cpp b/qtbase/src/tools/moc/main.cpp
---- a/qtbase/src/tools/moc/main.cpp
-+++ b/qtbase/src/tools/moc/main.cpp
-@@ -186,6 +186,7 @@ int runMoc(int argc, char **argv)
-     dummyVariadicFunctionMacro.arguments += Symbol(0, PP_IDENTIFIER, "__VA_ARGS__");
-     pp.macros["__attribute__"] = dummyVariadicFunctionMacro;
-     pp.macros["__declspec"] = dummyVariadicFunctionMacro;
-+    pp.macros["_GLIBCXX_VISIBILITY"] = dummyVariadicFunctionMacro;
- 
-     QString filename;
-     QString output;