buildtools-tarball/uninative-tarball/meta-ide-support: Drop useless meta class

The class adds an emtpy PACKAGES setting but most code now uses the
nopackages class which is much clearer. It also adds recursive do_build
dependencies which don't really serve any useful purpose any more.

Simplify the code and drop the class use.

(From OE-Core rev: 030d56e2e8ece93472adc51fe467221d846c9ac0)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/meta/buildtools-tarball.bb

@@ -49,7 +49,6 @@ RDEPENDS = "${TOOLCHAIN_HOST_TASK}"
 
 EXCLUDE_FROM_WORLD = "1"
 
-inherit meta
 inherit populate_sdk
 inherit toolchain-scripts-base
 inherit nopackages

meta/recipes-core/meta/meta-ide-support.bb

@@ -6,7 +6,7 @@ DEPENDS = "virtual/libc gdb-cross-${TARGET_ARCH} qemu-native qemu-helper-native
 PR = "r3"
 RM_WORK_EXCLUDE += "${PN}"
 
-inherit meta toolchain-scripts nopackages
+inherit toolchain-scripts nopackages
 
 do_populate_ide_support () {
   toolchain_create_tree_env_script

meta/recipes-core/meta/testexport-tarball.bb

@@ -26,7 +26,6 @@ RDEPENDS = "${TOOLCHAIN_HOST_TASK}"
 
 EXCLUDE_FROM_WORLD = "1"
 
-inherit meta
 inherit populate_sdk
 inherit toolchain-scripts-base
 inherit nopackages

meta/recipes-core/meta/uninative-tarball.bb

@@ -36,7 +36,6 @@ RDEPENDS = "${TOOLCHAIN_HOST_TASK}"
 
 EXCLUDE_FROM_WORLD = "1"
 
-inherit meta
 inherit populate_sdk
 inherit nopackages