sdbusplus: remove deprecated --enable-transaction

sdbusplus removed support for disabling transaction IDs and
deprecated the --enable-transaction configure flag.  Remove
it here as well.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ic6939d18adc5ae892d6fad9b3286a4cd979b7cdf
diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index 87017d5..bbd7652 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -372,7 +372,7 @@
 RUN curl -L https://github.com/openbmc/sdbusplus/archive/${PKG_REV['openbmc/sdbusplus']}.tar.gz | tar -xz && \
 cd sdbusplus-* && \
 ./bootstrap.sh && \
-./configure ${CONFIGURE_FLAGS[@]} --disable-tests --enable-transaction && \
+./configure ${CONFIGURE_FLAGS[@]} --disable-tests && \
 make -j$(nproc) && \
 make install
 
diff --git a/scripts/unit-test.py b/scripts/unit-test.py
index 45f4b98..05bec87 100755
--- a/scripts/unit-test.py
+++ b/scripts/unit-test.py
@@ -998,7 +998,6 @@
 if __name__ == '__main__':
     # CONFIGURE_FLAGS = [GIT REPO]:[CONFIGURE FLAGS]
     CONFIGURE_FLAGS = {
-        'sdbusplus': ['--enable-transaction'],
         'phosphor-logging':
         ['--enable-metadata-processing', '--enable-openpower-pel-extension',
          'YAML_DIR=/usr/local/share/phosphor-dbus-yaml/yaml']