[LoopAnalysis] Removes the slevel analysis and the related options.

headers/header_spec.txt

src/plugins/loop_analysis/Makefile.in

src/plugins/loop_analysis/README.org

src/plugins/loop_analysis/loop_analysis.ml

src/plugins/loop_analysis/loop_analysis.mli

src/plugins/loop_analysis/options.ml

src/plugins/loop_analysis/options.mli

src/plugins/loop_analysis/register.ml

src/plugins/loop_analysis/slevel_analysis.ml

...alysis/tests/loop_analysis/oracle/mixed_output.res.oracle

...ns/loop_analysis/tests/loop_analysis/oracle/ne.res.oracle

...is/tests/loop_analysis/oracle/non_natural_loop.res.oracle

...s/tests/loop_analysis/oracle/non_natural_loop2.res.oracle

...sis/tests/loop_analysis/oracle/slevel_overflow.res.oracle

...alysis/tests/loop_analysis/oracle/small_loop.1.res.oracle

...analysis/tests/loop_analysis/oracle/small_loop.res.oracle

...oop_analysis/tests/loop_analysis/oracle/test.0.res.oracle

...oop_analysis/tests/loop_analysis/oracle/test.1.res.oracle

.../loop_analysis/tests/loop_analysis/oracle/test.res.oracle

...analysis/tests/loop_analysis/oracle/with_value.res.oracle