meson: remove sdbusplus include-type

sdbusplus now behaves this way by default, so we do not need to
replicate in each project that uses it.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ie51cb424c75ac979ea15645f052238a44385ede4
diff --git a/meson.build b/meson.build
index ef7eaf6..e130dac 100644
--- a/meson.build
+++ b/meson.build
@@ -14,7 +14,7 @@
 # Dependencies
 phosphor_logging_dep = dependency('phosphor-logging')
 libsystemd = dependency('libsystemd')
-sdbusplus_dep = dependency('sdbusplus', required: false, include_type: 'system')
+sdbusplus_dep = dependency('sdbusplus', required: false)
 ipmid_dep = dependency('libipmid')
 
 # Project Arguments