Remove code to prevent double build on trunk

trunk branch was deleted.

.github/workflows/cygwin.yml

@@ -2,7 +2,7 @@ name: Cygwin
 on:
   push:
     branches:
-      - master
+      - '*'
   pull_request:
     branches:
       - '*'

.github/workflows/macos.yml

@@ -2,7 +2,7 @@ name: macOS
 on:
   push:
     branches:
-      - master
+      - '*'
   pull_request:
     branches:
       - '*'

.github/workflows/mingw.yml

@@ -2,7 +2,7 @@ name: MinGW
 on:
   push:
     branches:
-      - master
+      - '*'
   pull_request:
     branches:
       - '*'

.github/workflows/mjit.yml

@@ -2,7 +2,7 @@ name: MJIT
 on:
   push:
     branches:
-      - master
+      - '*'
   pull_request:
     branches:
       - '*'

.github/workflows/ubuntu.yml

@@ -2,7 +2,7 @@ name: Ubuntu
 on:
   push:
     branches:
-      - master
+      - '*'
   pull_request:
     branches:
       - '*'

.github/workflows/windows.yml

@@ -2,7 +2,7 @@ name: Windows
 on:
   push:
     branches:
-      - master
+      - '*'
   pull_request:
     branches:
       - '*'

appveyor.yml

@@ -3,9 +3,6 @@ version: '{build}'
 shallow_clone: true
 platform:
   - x64
-branches:
-  except:
-    - trunk # mirrored from trunk. avoid doubly building on it
 environment:
   ruby_version: "24-%Platform%"
   zlib_version: "1.2.11"