Remove Beat generators

CHANGELOG-developer.next.asciidoc

@@ -56,6 +56,7 @@ The list below covers the major changes between 7.0.0-rc2 and master only.
 - Remove Metricbeat EventFetcher and EventsFetcher interface. Use the reporter interface instead. {pull}25093[25093]
 - Update Darwin build image to a debian 10 base that increases the MacOS SDK and minimum supported version used in build to 10.14. {issue}24193[24193]
 - Removed the `common.Float` type. {issue}28279[28279] {pull}28280[28280] {pull}28376[28376]
+- Removed Beat generators. {pull}28816[28816]
 
 ==== Bugfixes
 

Jenkinsfile.yml

@@ -2,8 +2,6 @@ projects:
     - "auditbeat"
     - "deploy/kubernetes"
     - "filebeat"
-    # Skipping because they are failing, see https://github.com/elastic/beats/pull/28723
-    #- "generator"
     - "heartbeat"
     - "libbeat"
     - "metricbeat"

dev-tools/mage/fmt.go

@@ -50,13 +50,10 @@ func Format() {
 	mg.Deps(GoImports, PythonAutopep8)
 }
 
-// GoImports executes goimports against all .go files in and below the CWD. It
-// ignores vendor/ and generator/_templates/ directories.
+// GoImports executes goimports against all .go files in and below the CWD.
 func GoImports() error {
 	goFiles, err := FindFilesRecursive(func(path string, _ os.FileInfo) bool {
-		return filepath.Ext(path) == ".go" &&
-			!strings.Contains(path, "vendor/") &&
-			!strings.Contains(path, "generator/_templates/")
+		return filepath.Ext(path) == ".go"
 	})
 	if err != nil {
 		return err
@@ -84,9 +81,7 @@ func GoImports() error {
 // ignores build/ directories.
 func PythonAutopep8() error {
 	pyFiles, err := FindFilesRecursive(func(path string, _ os.FileInfo) bool {
-		return filepath.Ext(path) == ".py" &&
-			!strings.Contains(path, "build/") &&
-			!strings.Contains(path, "vendor/")
+		return filepath.Ext(path) == ".py" && !strings.Contains(path, "build/")
 	})
 	if err != nil {
 		return err

docs/devguide/contributing.asciidoc

@@ -35,17 +35,6 @@ In the pull request, describe what your changes do and mention
 any bugs/issues related to the pull request. Please also add a changelog entry to
 https://github.com/elastic/beats/blob/master/CHANGELOG.next.asciidoc[CHANGELOG.next.asciidoc].
 
-[float]
-[[adding-new-beat]]
-=== Adding a New Beat
-
-If you want to create a new Beat, please read <<new-beat>>. You don't need to
-submit the code to this repository. Most new Beats start in their own repository
-and just make use of the libbeat packages. After you have a working Beat that
-you'd like to share with others, open a PR to add it to our list of
-https://github.com/elastic/beats/blob/master/libbeat/docs/communitybeats.asciidoc[community
-Beats].
-
 [float]
 [[setting-up-dev-environment]]
 === Setting Up Your Dev Environment