[custom language] IJSDK-829 Update screenshots to display https

Resize images; remove some Liquid {:width=} tags
                  Remove errant newline at end of ParsingTestData.simple

tutorials/custom_language_support/commenter.md

@@ -32,4 +32,4 @@ Select **Code \| Comment with Line Comment**.
 The line is converted to a comment.
 Select **Code \| Comment with Line Comment** again, and the comment is converted back to active code.
 
-![Commenter](img/commenter.png){:width="800px"}
+![Commenter](img/commenter.png)

tutorials/custom_language_support/completion_contributor.md

@@ -34,4 +34,4 @@ Run the `simple_language_plugin` in a Development Instance and open the [`test.s
 Erase the property "English" and invoke [Basic Code Completion](https://www.jetbrains.com/help/idea/auto-completing-code.html#invoke-basic-completion). 
 The choice "Hello" is shown:
 
-![Completion](img/completion.png){:width="800px"}
+![Completion](img/completion.png)

tutorials/custom_language_support/find_usages_provider.md

@@ -34,4 +34,4 @@ The `SimpleFindUsagesProvider` implementation is registered with the IntelliJ Pl
 Rebuild the project, and run `simple_language_plugin` in a Development Instance.
 The IDE now supports [Find Usages](https://www.jetbrains.com/help/idea/find-highlight-usages.html) for any property with a reference:
 
-![Find Usages](img/find_usages.png){:width="800px"}
+![Find Usages](img/find_usages.png)

tutorials/custom_language_support/folding_builder.md

@@ -44,4 +44,4 @@ Now when a Java file is opened in the Editor, it shows the property's value inst
 This is because `SimpleFoldingBuilder.isCollapsedByDefault()` always returns `true`.
 Try using **Code \| Folding \| Expand All** to show the key rather than the value.
 
-![Folding](img/folding.png){:width="800px"}
+![Folding](img/folding.png)

tutorials/custom_language_support/formatter.md

@@ -46,4 +46,4 @@ The `SimpleFormattingModelBuilder` implementation is registered with the Intelli
 Add some extra spaces around the `=` separator between `language` and `English`.
 Reformat the code by selecting **Code \| Show Reformat File Dialog** and choose **Run**.
 
-![Formatter](img/formatter.png){:width="800px"}
+![Formatter](img/formatter.png)

tutorials/custom_language_support/lexer_and_parser_definition.md

@@ -98,4 +98,4 @@ tab : \u0009
 
 Now open the *PsiViewer* tool window and check how the lexer breaks the content of the file into tokens, and the parser parsed the tokens into PSI elements.
 
-![PSI Elements](img/psi_elements.png){:width="900px"}
+![PSI Elements](img/psi_elements.png)

tutorials/custom_language_support/quick_fix.md

@@ -49,6 +49,6 @@ Choose "Create Property".
 The IDE opens the `test.simple` file and adds `website.url` as a new key.
 Add the new value `jetbrains.com` for the new `website.url` key.
 
-![New Property](img/new_property.png){:width="800px"}
+![New Property](img/new_property.png)
 
 Now switch back to the Java file; the new key is highlighted as valid. 

tutorials/custom_language_support/structure_view_factory.md

@@ -52,4 +52,4 @@ Rebuild the project, and run `simple_language_plugin` in a Development Instance.
 Open the `test.simple` file and choose **View \| Tool Windows \| Structure**.
 The IDE now supports a structure view of the Simple Language:
 
-![Structure View](img/structure_view.png){:width="800px"}
+![Structure View](img/structure_view.png)

tutorials/custom_language_support/syntax_highlighter_and_color_settings_page.md

@@ -43,7 +43,7 @@ Register the factory with the IntelliJ Platform in the plugin configuration file
 Open the example Simple Language [properties file ](/tutorials/custom_language_support/lexer_and_parser_definition.md#run-the-project) (`test.simple`) in the IDE Development Instance.
 The colors for Simple Language Key, Separator, and Value highlighting default to the IDE _Language Defaults_ for Keyword, Braces, Operators, and Strings, respectively.
 
-![Syntax highlighter](img/syntax_highlighter.png){:width="800px"}
+![Syntax highlighter](img/syntax_highlighter.png)
 
 ## 5.5. Define a Color Settings Page
 The color settings page adds the ability for users to customize color settings for the highlighting in Simple Language files. 
@@ -66,4 +66,4 @@ Register the Simple Language color settings page with the IntelliJ Platform in t
 In the IDE Development Instance, open the Simple Language highlight settings page: **Preferences/Settings \| Editor \| Color Scheme \| Simple**.
 Each color initially inherits from a _Language Defaults_ value.
 
-![Color Settings Page](img/color_settings_page.png){:width="800px"}
+![Color Settings Page](img/color_settings_page.png)