image-nogplv3 classes: Remove the explicit PACKAGE_EXCLUDE

The explicit PACKAGE_EXCLUDE should not be necessary and prohibited by
using INCOMPATIBLE_LICENSE. Further if a compatible package is available
(i.e. for meta-gplv2) PACKAGE_EXCLUDE would prevent it from being
included in an image.

classes/seco-base-image-nogplv3.bbclass

@@ -78,45 +78,6 @@ CORE_IMAGE_EXTRA_INSTALL += " \
     editline \
 "
 
-PACKAGE_EXCLUDE = " \
-    bash \
-    coreutils \
-    cpio \
-    diffutils \
-    dosfstools \
-    ed \
-    findutils \
-    fio \
-    gawk \
-    gdb \
-    gdbm \
-    grep \
-    gzip \
-    inetutils \
-    inetutils-telnet \
-    inetutils-tftp \
-    inetutils-traceroute \
-    libreadline8 \
-    nano \
-    networkmanager \
-    networkmanager-bash-completion \
-    networkmanager-nmtui \
-    parted \
-    patch \
-    perl \
-    postgresql \
-    qt-kiosk-browser \
-    readline \
-    sed \
-    sqlite \
-    sqlite3 \
-    tar \
-    time \
-    wget \
-    which \
-    wireguard-tools \
-"
-
 CORE_IMAGE_EXTRA_INSTALL_append = " \
     editline \
 "

classes/seconorth-small-image-nogplv3.bbclass

@@ -40,45 +40,6 @@ CORE_IMAGE_EXTRA_INSTALL += " \
     ${IMAGE_INSTALL_TEST} \
 "
 
-PACKAGE_EXCLUDE = " \
-    bash \
-    coreutils \
-    cpio \
-    diffutils \
-    dosfstools \
-    ed \
-    findutils \
-    fio \
-    gawk \
-    gdb \
-    gdbm \
-    grep \
-    gzip \
-    inetutils \
-    inetutils-telnet \
-    inetutils-tftp \
-    inetutils-traceroute \
-    libreadline8 \
-    nano \
-    networkmanager \
-    networkmanager-bash-completion \
-    networkmanager-nmtui \
-    parted \
-    patch \
-    perl \
-    postgresql \
-    qt-kiosk-browser \
-    readline \
-    sed \
-    sqlite \
-    sqlite3 \
-    tar \
-    time \
-    wget \
-    which \
-    wireguard-tools \
-"
-
 CORE_IMAGE_EXTRA_INSTALL_append = " \
     editline \
 "