Java: remove obsolete VCS.qll and associated queries

java/ql/src/external/VCS.qll

@@ -1,78 +0,0 @@
-import java
-
-class Commit extends @svnentry {
-  Commit() {
-    svnaffectedfiles(this, _, _) and
-    exists(date svnDate, date snapshotDate |
-      svnentries(this, _, _, svnDate, _) and
-      snapshotDate(snapshotDate) and
-      svnDate <= snapshotDate
-    )
-  }
-
-  string toString() { result = this.getRevisionName() }
-
-  string getRevisionName() { svnentries(this, result, _, _, _) }
-
-  string getAuthor() { svnentries(this, _, result, _, _) }
-
-  date getDate() { svnentries(this, _, _, result, _) }
-
-  int getChangeSize() { svnentries(this, _, _, _, result) }
-
-  string getMessage() { svnentrymsg(this, result) }
-
-  string getAnAffectedFilePath(string action) {
-    exists(File rawFile | svnaffectedfiles(this, rawFile, action) |
-      result = rawFile.getAbsolutePath()
-    )
-  }
-
-  string getAnAffectedFilePath() { result = getAnAffectedFilePath(_) }
-
-  File getAnAffectedFile(string action) { svnaffectedfiles(this, result, action) }
-
-  File getAnAffectedFile() { exists(string action | result = this.getAnAffectedFile(action)) }
-
-  predicate isRecent() { recentCommit(this) }
-
-  int daysToNow() {
-    exists(date now | snapshotDate(now) | result = getDate().daysTo(now) and result >= 0)
-  }
-
-  int getRecentAdditionsForFile(File f) { svnchurn(this, f, result, _) }
-
-  int getRecentDeletionsForFile(File f) { svnchurn(this, f, _, result) }
-
-  int getRecentChurnForFile(File f) {
-    exists(int added, int deleted | svnchurn(this, f, added, deleted) and result = added + deleted)
-  }
-}
-
-class Author extends string {
-  Author() { exists(Commit e | this = e.getAuthor()) }
-
-  Commit getACommit() { result.getAuthor() = this }
-
-  File getAnEditedFile() { result = this.getACommit().getAnAffectedFile() }
-}
-
-predicate recentCommit(Commit e) {
-  exists(date snapshotDate, date commitDate, int days |
-    snapshotDate(snapshotDate) and
-    e.getDate() = commitDate and
-    days = commitDate.daysTo(snapshotDate) and
-    days >= 0 and
-    days <= 60
-  )
-}
-
-date firstChange(File f) {
-  result = min(Commit e, date toMin | f = e.getAnAffectedFile() and toMin = e.getDate() | toMin)
-}
-
-predicate firstCommit(Commit e) {
-  not exists(File f | f = e.getAnAffectedFile() | firstChange(f) < e.getDate())
-}
-
-predicate artificialChange(Commit e) { firstCommit(e) or e.getChangeSize() >= 50000 }