Drop the sonarcloud config for now

We'll have to set this up from scratch in the future if we still want to
have it.

sonar-project.properties

@@ -1,53 +0,0 @@
-
-sonar.projectKey=owncloud_ocis
-sonar.organization=owncloud-1
-sonar.projectName=ocis
-sonar.projectVersion=7.0.0
-sonar.host.url=https://sonarcloud.io
-
-# =====================================================
-#   Meta-data for the project
-# =====================================================
-
-sonar.links.homepage=https://github.com/opencloud-eu/opencloud
-sonar.links.ci=https://drone.opencloud.eu/opencloud-eu/opencloud/
-sonar.links.scm=https://github.com/opencloud-eu/opencloud
-sonar.links.issue=https://github.com/opencloud-eu/opencloud/issues
-
-# =====================================================
-#   Properties that will be shared amongst all modules
-# =====================================================
-
-# SQ standard properties
-sonar.sources=.
-
-# Pull Requests
-sonar.pullrequest.provider=github
-sonar.pullrequest.github.repository=opencloud-eu/opencloud
-sonar.pullrequest.base=${env.SONAR_PULL_REQUEST_BASE}
-sonar.pullrequest.branch=${env.SONAR_PULL_REQUEST_BRANCH}
-sonar.pullrequest.key=${env.SONAR_PULL_REQUEST_KEY}
-
-# Properties specific to language plugins:
-sonar.go.coverage.reportPaths=cache/coverage/*
-sonar.go.golangci-lint.reportPaths=cache/checkstyle/checkstyle.xml
-
-# Exclude files
-sonar.exclusions=**/third_party,docs/**,changelog/**,**/package.json,**/rollup.config.js,CHANGELOG.md,deployments/**,tests/**,vendor/**,vendor-bin/**,README.md,**/mocks/**,/protogen/**,**/*_gen.go
-sonar.coverage.exclusions=**/*_test.go,**mocks/**,/protogen/**,**/*_gen.go
-sonar.cpd.exclusions=**/defaultconfig.go,**/*_test.go,**/revaconfig/**,services/settings/pkg/store/defaults/defaults.go
-
-# Rule exclusions
-sonar.issue.ignore.multicriteria=g1,g2
-
-# Ignore "Define a constant instead of duplicating this literal" rule for tests
-sonar.issue.ignore.multicriteria.g1.ruleKey=go:S1192
-sonar.issue.ignore.multicriteria.g1.resourceKey=**/*_test.go
-
-# Ignore "Rename function XXX to match the regular expression ^(_|[a-zA-Z0-9]+)$" rule for tests
-sonar.issue.ignore.multicriteria.g2.ruleKey=go:S100
-sonar.issue.ignore.multicriteria.g2.resourceKey=**/*_test.go
-
-# Timeout for web requests
-#sonar.ws.timeout=60 is the default, but we need to increase it to deal with timeouts when loading defaults
-sonar.ws.timeout=120