rc: remove spurious tabs

This makes it easier to be consistent.

Also replace "<<-EOF" by "<<EOF", since the former only does trims
tabs, not spaces.

colors/greyscale.kak

@@ -12,7 +12,7 @@ evaluate-commands %sh{
     grey_dark_3="rgb:424242"
     grey_dark_4="rgb:212121"
 
-    cat <<- EOF
+    cat <<EOF
 
     # For Code
     set-face global keyword ${grey_dark_2}

colors/kaleidoscope-dark.kak

@@ -70,7 +70,7 @@ evaluate-commands %sh{
     dark_grey="rgb:555555"
 
     # NOTE: Do not use any color that hasn't been defined above (no hardcoding)
-    cat <<- EOF
+    cat <<EOF
 
     # For Code
     set-face global keyword ${vibrant_blue}

colors/kaleidoscope-light.kak

@@ -70,7 +70,7 @@ evaluate-commands %sh{
     dark_grey="rgb:555555"
 
     # NOTE: Do not use any color that hasn't been defined above (no hardcoding)
-    cat <<- EOF
+    cat <<EOF
 
     # For Code
     set-face global keyword ${muted_indigo}

rc/filetype/pascal.kak

@@ -38,7 +38,7 @@ evaluate-commands %sh¶
     id4="(?:$id\.)?(?:$id\.)?(?:$id\.)?$id" # type.type.type.id
     type=":\s*(specialize\s+)?(?:(array\s+of\s+)?$id2)" # 1:attribute 2:keyword 3:module 4:type
 
-	cat <<-EOF
+    cat <<EOF
         # routine without parameters
         add-highlighter shared/pascal/code/simple_routine regex \
             "\b(?i)(function|procedure|constructor|destructor|operator)\s+$id4(?:$type)?" \
@@ -60,7 +60,7 @@ evaluate-commands %sh¶
     x="(?:$id,\s*)?"
 
     for r in property routine; do
-		cat <<-EOF
+        cat <<EOF
             add-highlighter shared/pascal/$r/parameters/default default-region group
             add-highlighter shared/pascal/$r/parameters/default/ regex \
                 "(?i)(?:(constref|const|var|out|univ)\s+)?$x$x$x$x$x$id(?:$type)?" \
@@ -69,7 +69,7 @@ evaluate-commands %sh¶
         EOF
     done
 
-	cat <<-EOF
+    cat <<EOF
         add-highlighter shared/pascal/routine/default/ regex \
             "\b(?i)(function|procedure|constructor|destructor|operator)(?:\s+$id4)?" \
             1:keyword 2:type 3:type 4:type 5:function
@@ -80,7 +80,7 @@ evaluate-commands %sh¶
     EOF
 
     for r in property/default simple_property; do
-		cat <<-EOF
+        cat <<EOF
             add-highlighter shared/pascal/$r/ regex "\b(?i)(property)" 1:keyword
             add-highlighter shared/pascal/$r/type regex ":\s*$id" 1:type
 
@@ -91,7 +91,7 @@ evaluate-commands %sh¶
     done
 
     for r in pascal pascal/routine pascal/routine/parameters pascal/property; do
-		cat <<-EOF
+        cat <<EOF
             # Example string: 'You''re welcome!'
             add-highlighter shared/$r/string region \
                 -recurse %{(?<!')('')+(?!')} %{'} %{'(?!')|\$} group
@@ -164,7 +164,7 @@ evaluate-commands %sh¶
     # Replace spaces with a pipe
     join() { eval set -- $1; IFS='|'; echo "$*"; }
 
-	cat <<-EOF
+    cat <<EOF
         add-highlighter shared/pascal/code/keywords  regex \
             (?i)(?<!&)\b($(join "$reserved $keywords")|file\s+of)\b 0:keyword
         add-highlighter shared/pascal/code/modifiers regex \
@@ -174,7 +174,7 @@ evaluate-commands %sh¶
     EOF
 
     for r in code routine/parameters/default routine/default property/default simple_property; do
-		cat <<-EOF
+        cat <<EOF
             add-highlighter shared/pascal/$r/ regex '[.:=<>@^*/+-]' 0:operator
             add-highlighter shared/pascal/$r/constants regex \
                 \b(?i)($(join "$constants"))\b 0:value