#4454 Clean up more tests and code

* Remove some tests we no longer need
* Delete blocks of redundant code
* Compress some tests together to simplify them
* Remove a little code for ancient linter versions
* Escape more executables we didn't escape before
* Rename a deno option that didn't match our conventions

test/linter/test_javalsp.vader

@@ -1,4 +1,3 @@
-
 Before:
   call ale#assert#SetUpLinterTest('java', 'javalsp')
 
@@ -39,18 +38,6 @@ Execute(The javalsp should have default config):
   \ },
   \ ale_linters#java#javalsp#Config(bufnr(''))
 
-Execute(The javalsp should have default config if user sets empty hash):
-  let b:ale_java_javalsp_config = {}
-
-  AssertEqual
-  \ {
-  \   'java': {
-  \     'classPath': [],
-  \     'externalDependencies': []
-  \   }
-  \ },
-  \ ale_linters#java#javalsp#Config(bufnr(''))
-
 Execute(The javalsp should have add missing config):
   let b:ale_java_javalsp_config = { 'java': { 'classPath': ['aaa.jar'] } }