Get rid of extra space at beginning of markdown for templates

common/lib/xmodule/xmodule/templates/problem/multiplechoice.yaml

@@ -3,8 +3,8 @@ metadata:
     display_name: Multiple Choice
     rerandomize: never
     showanswer: always
-    markdown: "
-       A multiple choice problem presents radio buttons for student input. Students can only select a single 
+    markdown: 
+       "A multiple choice problem presents radio buttons for student input. Students can only select a single 
        option presented. Multiple Choice questions have been the subject of many areas of research due to the early 
        invention and adoption of bubble sheets.
        

common/lib/xmodule/xmodule/templates/problem/numericalresponse.yaml

@@ -3,8 +3,8 @@ metadata:
     display_name: Numerical Response
     rerandomize: never
     showanswer: always
-    markdown: "
-       A numerical response problem accepts a line of text input from the
+    markdown: 
+       "A numerical response problem accepts a line of text input from the
        student, and evaluates the input for correctness based on its
        numerical value.
        

common/lib/xmodule/xmodule/templates/problem/optionresponse.yaml

@@ -3,8 +3,8 @@ metadata:
     display_name: Option Response
     rerandomize: never
     showanswer: always
-    markdown: "
-        OptionResponse gives a limited set of options for students to respond with, and presents those options
+    markdown: 
+        "OptionResponse gives a limited set of options for students to respond with, and presents those options
         in a format that encourages them to search for a specific answer rather than being immediately presented 
         with options from which to recognize the correct answer.
         

common/lib/xmodule/xmodule/templates/problem/string_response.yaml

@@ -4,8 +4,8 @@ metadata:
     rerandomize: never
     showanswer: always
     # Note, the extra newlines are needed to make the yaml parser add blank lines instead of folding
-    markdown: "
-        A string response problem accepts a line of text input from the 
+    markdown: 
+        "A string response problem accepts a line of text input from the 
         student, and evaluates the input for correctness based on an expected 
         answer within each input box.