Merge branch 'remove-uncompiled-code' into 'master'

Remove uncompiled code to increase readability

See merge request graphviz/graphviz!1557

diff --cc lib/ast/fmtesc.c
Simple merge

diff --cc lib/cgraph/attr.c
Simple merge

diff --cc lib/cgraph/edge.c
Simple merge

diff --cc lib/cgraph/rec.c
Simple merge

diff --cc lib/circogen/circpos.c
Simple merge

diff --cc lib/circogen/nodelist.c
Simple merge

diff --cc lib/circogen/stack.c
Simple merge

diff --cc lib/common/routespl.c
Simple merge

diff --cc lib/dotgen/aspect.c
Simple merge

diff --cc lib/dotgen/compound.c
Simple merge

diff --cc lib/dotgen/decomp.c
Simple merge

diff --cc lib/dotgen/dotinit.c
Simple merge

diff --cc lib/dotgen/dotsplines.c
Simple merge

diff --cc lib/dotgen/mincross.c
Simple merge

diff --cc lib/dotgen/rank.c
Simple merge

diff --cc lib/dotgen/sameport.c
Simple merge

diff --cc lib/expr/exeval.c
Simple merge

diff --cc lib/expr/exparse.y
Simple merge

diff --cc lib/gvpr/compile.c
Simple merge

diff --cc lib/neatogen/closest.c
Simple merge

diff --cc lib/neatogen/constraint.c
Simple merge

diff --cc lib/neatogen/matrix_ops.c
Simple merge

diff --cc lib/neatogen/pca.c
Simple merge

diff --cc lib/neatogen/poly.c
Simple merge

diff --cc lib/pack/ptest.c
Simple merge

diff --cc lib/xdot/xdot.c
Simple merge