Remove unneeded analysis files

analysis/cell-typist-organs.Rmd

analysis/classical-robustness-case-study.Rmd

analysis/double-dipping-analysis.Rmd

analysis/down-regulated-case-study.Rmd

analysis/nk-case-study.Rmd

analysis/pertubation-case-study.Rmd

analysis/scanpy-seurat-concordance.Rmd

analysis/scran-any-case-study.Rmd

analysis/seurat-method-analysi.Rmd

analysis/single-cell-database-analysis.Rmd

analysis/t-test-only-zero-case-study.Rmd

analysis/welch-ranking-case-study.Rmd

analysis/wilcoxon-details-analysis.Rmd