mesa: drop gallium-pipe support

With Clover being gone, there are no more separate gallium-pipe
libraries. Drop corresponding parts of the recipe.

(From OE-Core rev: b668f51f0384029892e8a87935c5fad26dd4e690)

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/mesa/mesa.inc

@@ -316,9 +316,6 @@ python mesa_populate_packages() {
                 d.appendVar("RPROVIDES:%s" % lib_name, pkg_name)
                 d.appendVar("RCONFLICTS:%s" % lib_name, pkg_name)
                 d.appendVar("RREPLACES:%s" % lib_name, pkg_name)
-
-    pipe_drivers_root = os.path.join(d.getVar('libdir'), "gallium-pipe")
-    do_split_packages(d, pipe_drivers_root, r'^pipe_(.*)\.so$', 'mesa-driver-pipe-%s', 'Mesa %s pipe driver', extra_depends='')
 }
 
 PACKAGESPLITFUNCS =+ "mesa_populate_packages"
@@ -336,7 +333,7 @@ FILES:libgles1-mesa = "${libdir}/libGLESv1*.so.*"
 FILES:libgles2-mesa = "${libdir}/libGLESv2.so.*"
 FILES:libgl-mesa = "${libdir}/libGL.so.*"
 FILES:libglx-mesa = "${libdir}/libGLX*.so.*"
-FILES:libopencl-mesa = "${libdir}/lib*OpenCL.so* ${libdir}/gallium-pipe/*.so ${sysconfdir}/OpenCL/vendors/*.icd"
+FILES:libopencl-mesa = "${libdir}/lib*OpenCL.so* ${sysconfdir}/OpenCL/vendors/*.icd"
 FILES:libglapi = "${libdir}/libglapi.so.*"
 FILES:libxatracker = "${libdir}/libxatracker.so.*"