remove unused binaries from build process

Taskfile.yml

@@ -4,46 +4,12 @@ version: '2'
 
 tasks:
   install:
-    cmds:
-    - task: install-server
-    - task: install-agent
-    - task: install-controller
-  
-  install-server:
     dir: cmd/drone-server
     cmds: [ go install -v ]
     env:
       GO111MODULE: on
 
-  install-agent:
-    dir: cmd/drone-agent
-    cmds: [ go install ]
-    env:
-      GO111MODULE: 'on'
-
-  install-controller:
-    dir: cmd/drone-controller
-    cmds: [ go install ]
-    env:
-      GO111MODULE: on
-
   build:
-    cmds:
-    - task: build-agent
-    - task: build-server
-    - task: build-controller
-
-  build-agent:
-    cmds:
-    - task: build-base
-      vars: { name: agent }
-
-  build-controller:
-    cmds:
-    - task: build-base
-      vars: { name: controller }
-
-  build-server:
     cmds:
     - task: build-base
       vars: { name: server }
@@ -64,22 +30,6 @@ tasks:
     - rm -rf release
 
   docker:
-    cmds:
-    - task: docker-controller
-    - task: docker-agent
-    - task: docker-server
-
-  docker-agent:
-    cmds:
-    - task: docker-base
-      vars: { name: agent, image: drone/agent }
-
-  docker-controller:
-    cmds:
-    - task: docker-base
-      vars: { name: controller, image: drone/controller }
-
-  docker-server:
     cmds:
     - task: docker-base
       vars: { name: server, image: drone/drone }

scripts/build.ps1

@@ -1,2 +0,0 @@
-$env:CGO_ENABLED="0"
-go build -o release/windows/amd64/drone-agent.exe github.com/drone/drone/cmd/drone-agent

scripts/build.sh

@@ -6,8 +6,3 @@ REPO="github.com/drone/drone"
 
 # compile the server using the cgo
 go build -ldflags "-extldflags \"-static\"" -o release/linux/${GOARCH}/drone-server ${REPO}/cmd/drone-server
-
-# compile the runners with gcc disabled
-export CGO_ENABLED=0
-go build -o release/linux/${GOARCH}/drone-agent      ${REPO}/cmd/drone-agent
-go build -o release/linux/${GOARCH}/drone-controller ${REPO}/cmd/drone-controller