Rebuild static-compat-qt6-base without LTO

It works but has multiple disadvantages:

* When upgrading GCC one needed to rebuild Qt 6
* Linking the final applications takes very long

devel/generator/templates/layouts/static-compat-qt6-base.sh.ep

@@ -15,7 +15,7 @@
 pkgname=<%= $package_name %>
 _qtver=6.3.0
 pkgver=${_qtver/-/}
-pkgrel=3
+pkgrel=4
 arch=(x86_64)
 url='https://www.qt.io'
 license=(GPL3 LGPL3 FDL custom)
@@ -63,7 +63,6 @@ build() {
   static-compat-cmake<%== $static_suffix %> -G Ninja -B build -S $_pkgfqn \\
     $ccache_args \\
     -DCMAKE_SKIP_INSTALL_RPATH=ON \\
-    -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON \\
     -DINSTALL_BINDIR=lib/qt6/bin \\
     -DINSTALL_DOCDIR=share/doc/qt6 \\
     -DINSTALL_ARCHDATADIR=lib/qt6 \\

qt6-base/static-compat/PKGBUILD

@@ -12,7 +12,7 @@
 pkgname=static-compat-qt6-base
 _qtver=6.3.0
 pkgver=${_qtver/-/}
-pkgrel=3
+pkgrel=4
 arch=(x86_64)
 url='https://www.qt.io'
 license=(GPL3 LGPL3 FDL custom)
@@ -77,7 +77,6 @@ build() {
   static-compat-cmake -G Ninja -B build -S $_pkgfqn \
     $ccache_args \
     -DCMAKE_SKIP_INSTALL_RPATH=ON \
-    -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON \
     -DINSTALL_BINDIR=lib/qt6/bin \
     -DINSTALL_DOCDIR=share/doc/qt6 \
     -DINSTALL_ARCHDATADIR=lib/qt6 \