freetype: Delete a patch that is no longer used

freetype: Delete a patch that is no longer used

The patch /meta-agl/meta-agl-core-test/recipes-test/freetype/files/0001-ft2demos-Makefile-Do-not-hardcode-libtool-path.patch
is already deleted from the file freetype_2.%.bbappend by
https://git.automotivelinux.org/AGL/meta-agl/commit/meta-agl-core-test/recipes-test/freetype/freetype_2.%25.bbappend?id=f8e4906de8e21b9affb9f901527d587eb31b68ff
and it was no longer used

Bug-AGL: SPEC-4451

Signed-off-by: duerpei <duep.fnst@fujitsu.com>
Change-Id: I0787bf9bba8b2140da2ebc0c912e321a51b48f46
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/27685
Tested-by: Jenkins Job builder account
ci-image-build: Jenkins Job builder account
ci-image-boot-test: Jenkins Job builder account
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>