remove unused legacy scripts

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

scripts/analysis/findbugs-results.txt

@@ -1 +0,0 @@
-136

scripts/analysis/findbugs-up.rb

@@ -1,139 +0,0 @@
-## Script from https://github.com/tir38/android-lint-entropy-reducer at 07.05.2017
-# adapts to drone, use git username / token as parameter
-
-Encoding.default_external = Encoding::UTF_8
-Encoding.default_internal = Encoding::UTF_8
-
-puts "=================== starting Android FindBugs Entropy Reducer ===================="
-
-# get args
-git_user, git_token, git_branch = ARGV
-
-# ========================  SETUP ============================
-
-# User name for git commits made by this script.
-TRAVIS_GIT_USERNAME = String.new("Drone CI server")
-
-# File name and relative path of generated FindBugs report. Must match build.gradle file:
-#   lintOptions {
-#       htmlOutput file("[FILE_NAME].html")
-#   }
-FINDBUGS_REPORT_FILE = String.new("app/build/reports/spotbugs/spotbugs.html")
-
-# File name and relative path of previous results of this script.
-PREVIOUS_FINDBUGS_RESULTS_FILE=String.new("scripts/analysis/findbugs-results.txt")
-
-# Flag to evaluate warnings. true = check warnings; false = ignore warnings
-CHECK_WARNINGS = true
-
-# File name and relative path to custom FindBugs rules; Can be null or "".
-CUSTOM_FINDBUGS_FILE = String.new("")
-
-# ================ SETUP DONE; DON'T TOUCH ANYTHING BELOW  ================
-
-require 'fileutils'
-require 'pathname'
-require 'open3'
-
-# since we need the xml-simple gem, and we want this script self-contained, let's grab it just when we need it
-begin
-    gem "xml-simple"
-    rescue LoadError
-    system("gem install --user-install xml-simple")
-    Gem.clear_paths
-end
-
-require 'xmlsimple'
-
-# run FindBugs
-puts "running FindBugs..."
-system './gradlew --console=plain assembleGplayDebug 1>/dev/null'
-
-# confirm that assemble ran w/out error
-result = $?.to_i
-if result != 0
-    puts "FAIL: failed to run ./gradlew --console=plain assembleGplayDebug"
-    exit 1
-end
-
-system './gradlew --console=plain spotbugsGplayDebugReport 1>/dev/null 2>&1'
-
-# find FindBugs report file
-findbugs_reports = Dir.glob(FINDBUGS_REPORT_FILE)
-if findbugs_reports.length == 0
-    puts "Findbugs HTML report not found."
-    exit 1
-end
-findbugs_report = String.new(findbugs_reports[0])
-
-# find number of warnings
-current_warning_count = `grep -A 3 "<b>Total</b>" app/build/reports/spotbugs/spotbugs.html | tail -n1 | cut -f2 -d">" | cut -f1 -d"<"`.to_i
-puts "found warnings: " + current_warning_count.to_s
-
-# get warning counts from last successful build
-
-previous_results = false
-
-previous_findbugs_reports = Dir.glob(PREVIOUS_FINDBUGS_RESULTS_FILE)
-if previous_findbugs_reports.nil? || previous_findbugs_reports.length == 0
-    previous_findbugs_report = File.new(PREVIOUS_FINDBUGS_RESULTS_FILE, "w") # create for writing to later
-else
-    previous_findbugs_report = String.new(previous_findbugs_reports[0])
-
-    previous_warning_count = File.open(previous_findbugs_report, &:readline).match(/[0-9]*/)[0].to_i
-
-    if previous_warning_count.nil?
-        previous_results = false
-    else
-        previous_results = true
-
-        puts "previous warnings: " + previous_warning_count.to_s
-    end
-end
-
-# compare previous warning count with current warning count
-if previous_results == true && current_warning_count > previous_warning_count
-    puts "FAIL: warning count increased"
-    exit 1
-end
-
-# check if warning and error count stayed the same
-if  previous_results == true && current_warning_count == previous_warning_count
-    puts "SUCCESS: count stayed the same"
-    exit 2
-end
-
-# warning count DECREASED
-puts "SUCCESS: count decreased from " + previous_warning_count.to_s + " to " + current_warning_count.to_s
-
-# write new results to file (will overwrite existing, or create new)
-File.write(previous_findbugs_report, current_warning_count)
-
-# push changes to github (if this script is run locally, we don't want to overwrite git username and email, so save temporarily)
-previous_git_username, _ = Open3.capture2('git config user.name')
-previous_git_username = previous_git_username.strip
-
-previous_git_email, _ = Open3.capture3('git config user.email')
-previous_git_email = previous_git_email.strip
-
-# update git user name and email for this script
-system ("git config --local user.name '"  + git_user + "'")
-system ("git config --local user.email 'android@nextcloud.com'")
-system ("git remote rm origin")
-system ("git remote add origin https://" + git_user + ":" + git_token + "@github.com/nextcloud/talk-android")
-
-# add previous FindBugs result file to git
-system ('git add ' + PREVIOUS_FINDBUGS_RESULTS_FILE)
-
-# commit changes; Add "skip ci" so that we don't accidentally trigger another Drone build
-system({"GIT_COMMITTER_EMAIL" => "drone@nextcloud.com", "GIT_AUTHOR_EMAIL" => "drone@nextcloud.com"}, 'git commit -sm "Drone: update FindBugs results to reflect reduced error/warning count [skip ci]"')
-
-# push to origin
-system ('git push origin HEAD:' + git_branch)
-
-# restore previous git user name and email
-system("git config --local user.name '#{previous_git_username}'")
-system("git config --local user.email '#{previous_git_email}'")
-
-puts "SUCCESS: count was reduced"
-exit 0 # success