Fixing regression errors by removing opt_rmdff from yosys ys as now this is included by default

docker/Dockerfile.master

@@ -3,7 +3,7 @@ RUN mkdir -p /opt/openfpga
 WORKDIR /opt/openfpga
 COPY . /opt/openfpga
 RUN chmod +x abc/abc ace2/ace openfpga/openfpga vpr/vpr
-RUN chmod +x yosys/yosys yosys/yosys-abc yosys/yosys-config yosys/yosys-filterlib yosys/yosys-smtbmc
-ENV PATH="/opt/openfpga/openfpga:/opt/openfpga/yosys:${PATH}"
+RUN chmod +x yosys/install/yosys yosys/install/yosys-abc yosys/install/yosys-config yosys/install/yosys-filterlib yosys/install/yosys-smtbmc
+ENV PATH="/opt/openfpga/openfpga:/opt/openfpga/install/yosys:${PATH}"
 ENV PATH="/opt/openfpga/ace2:/opt/openfpga/abc:/opt/openfpga/vpr:${PATH}"
 ENV OPENFPGA_PATH="/opt/openfpga"

openfpga_flow/misc/ys_tmpl_yosys_vpr_bram_dsp_flow.ys

@@ -83,7 +83,6 @@ opt_expr -mux_undef
 simplemap
 opt_expr
 opt_merge
-opt_rmdff
 opt_clean
 opt
 

openfpga_flow/misc/ys_tmpl_yosys_vpr_bram_flow.ys

@@ -65,7 +65,6 @@ opt_expr -mux_undef
 simplemap
 opt_expr
 opt_merge
-#opt_rmdff
 opt_clean
 opt
 

openfpga_flow/misc/ys_tmpl_yosys_vpr_dsp_flow.ys

@@ -74,7 +74,6 @@ opt_expr -mux_undef
 simplemap
 opt_expr
 opt_merge
-opt_rmdff
 opt_clean
 opt
 
@@ -93,4 +92,4 @@ stat
 # Output netlists
 #########################
 opt_clean -purge
-write_blif ${OUTPUT_BLIF}
+write_blif ${OUTPUT_BLIF}