refactor(ci): disable verions matrix

.editorconfig

@@ -1,12 +1,20 @@
 root = true
 
-[*]
+[*.go]
+charset = utf-8
 indent_style = tab
 indent_size = 2
 end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[Makefile]
 charset = utf-8
+indent_style = tab
+indent_size = 2
+end_of_line = lf
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[*.md]
+[*.yml]
-trim_trailing_whitespace = false
+indent_style = space

.travis.yml

@@ -4,18 +4,17 @@ dist: trusty
 sudo: false
 
 go:
-  - "1.12"
   - "1.13"
 	- "1.14"
 
 env:
-  - LIBVIPS=7.42.3
+  # - LIBVIPS=7.42.3
   # - LIBVIPS=8.3.3
-  - LIBVIPS=8.4.6
+  # - LIBVIPS=8.4.6
-  - LIBVIPS=8.5.8
+  # - LIBVIPS=8.5.8
-  - LIBVIPS=8.6.2
+  # - LIBVIPS=8.6.2
-	- LIBVIPS=8.7.4
+	# - LIBVIPS=8.7.4
-  - LIBVIPS=8.8.4
+  # - LIBVIPS=8.8.4
   - LIBVIPS=8.9.2
   - LIBVIPS=master